{"id":81120,"date":"2026-03-02T07:00:00","date_gmt":"2026-03-01T22:00:00","guid":{"rendered":"https:\/\/miralab.co.jp\/media\/?p=81120"},"modified":"2026-03-06T08:41:16","modified_gmt":"2026-03-05T23:41:16","slug":"gpt-5-3-codex","status":"publish","type":"post","link":"https:\/\/miralab.co.jp\/media\/gpt-5-3-codex\/","title":{"rendered":"GPT-5.3-Codex\u3068\u306f\uff1f\u4f7f\u3044\u65b9\u3068\u6599\u91d1\uff01\u81ea\u5f8b\u578b\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0AI\u3092\u89e3\u8aac"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1200\" height=\"630\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/1072.png\" alt=\"\" class=\"wp-image-83295\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/1072.png 1200w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/1072-300x158.png 300w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/1072-1024x538.png 1024w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/1072-768x403.png 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p>GPT-5.3-Codex\u3068\u306f\u3001\u30bf\u30b9\u30af\u3092\u81ea\u5f8b\u7684\u306b\u5b9f\u884c\u3067\u304d\u308b\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u578b\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0AI\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001GPT-5.3-Codex\u306e\u4f7f\u3044\u65b9\u30924\u3064\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u5225\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002\u307e\u305f\u3001GPT-5.3-Codex\u306e\u6599\u91d1\u30d7\u30e9\u30f3\u3084\u3001\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u5b89\u5168\u306b\u6d3b\u7528\u3059\u308b\u30dd\u30a4\u30f3\u30c8\u3082\u6574\u7406\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3080\u3053\u3068\u3067\u3001\u81ea\u5206\u306e\u958b\u767a\u74b0\u5883\u306b\u6700\u9069\u306a\u65b9\u6cd5\u3067GPT-5.3-Codex\u3092\u5c0e\u5165\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">GPT-5.3-Codex\u3068\u306f\uff5cGPT-5.2-Codex\u304b\u3089\u9032\u5316\u3057\u305f\u81ea\u5f8b\u578b\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0AI<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-118.png\" alt=\"\" class=\"wp-image-82696\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-118.png 1536w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-118-300x200.png 300w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-118-1024x683.png 1024w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-118-768x512.png 768w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n\n\n\n<p>GPT-5.3-Codex\u306f\u3001GPT-5.2-Codex\u304b\u3089\u5927\u304d\u304f\u9032\u5316\u3057\u305f\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u578b\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0AI\u3067\u3059\u3002\u5404\u7a2e\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u306e\u7d50\u679c\u3092\u8e0f\u307e\u3048\u3066\u3001\u5f93\u6765\u30e2\u30c7\u30eb\u304b\u3089\u767a\u5c55\u3057\u305f\u30dd\u30a4\u30f3\u30c8\u3084\u3088\u308a\u5e45\u5e83\u304f\u306a\u3063\u305f\u30bf\u30b9\u30af\u306e\u30ab\u30d0\u30fc\u7bc4\u56f2\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">GPT-5.3-Codex\u306e\u7279\u5fb4\uff5c\u5f93\u6765\u30e2\u30c7\u30eb\u304b\u3089\u306e\u9032\u5316<\/h3>\n\n\n\n<p>\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u578b\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0AI\u3068\u3057\u3066GPT-5.3-Codex\u304c\u516c\u958b\u3055\u308c\u307e\u3057\u305f\u3002<span class=\"swl-marker mark_yellow\"><strong>GPT-5.3-Codex\u306f\u30b3\u30fc\u30c9\u751f\u6210\u4ee5\u5916\u306e\u30bf\u30b9\u30af\u3082\u30ab\u30d0\u30fc<\/strong><\/span>\u3059\u308b\u70b9\u304c\u7279\u5fb4\u7684\u3067\u3059\u3002\u7814\u7a76\u3084\u30c4\u30fc\u30eb\u5229\u7528\u3001\u8907\u96d1\u306a\u5b9f\u884c\u3092\u4f34\u3046\u9577\u6642\u9593\u30bf\u30b9\u30af\u306e\u51e6\u7406\u306a\u3069\u304c\u53ef\u80fd\u3067\u3001\u5b9f\u884c\u7d50\u679c\u3092\u8e0f\u307e\u3048\u3066<span class=\"swl-inline-color has-swl-deep-01-color\"><strong>\u6539\u5584\u3092\u91cd\u306d\u306a\u304c\u3089\u81ea\u5f8b\u7684\u306b\u30bf\u30b9\u30af\u3092\u9032\u884c<\/strong><\/span>\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>OpenAI\u306e\u8a18\u4e8b\u3067\u306f\u3001AI\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u8a55\u4fa1\u30d9\u30f3\u30c1\u30de\u30fc\u30af<span class=\"swl-marker mark_yellow\"><strong>\u300cSWE-Bench Pro\u300d\u306e\u30b9\u30b3\u30a2\u304c\u5f93\u6765\u306eGPT-5.2\u3084GPT-5.2-Codex\u3088\u308a\u9ad8\u3044<\/strong><\/span>\u3053\u3068\u304c\u793a\u3055\u308c\u307e\u3057\u305f\u3002SWE-Bench Pro\u306f4\u3064\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u306b\u3064\u3044\u3066\u3001\u5b9f\u52d9\u306b\u5373\u3057\u305f\u8a55\u4fa1\u3092\u884c\u3046\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u306e\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized is-style-shadow\"><img decoding=\"async\" width=\"837\" height=\"601\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-124.png\" alt=\"\" class=\"wp-image-82712\" style=\"width:852px;height:auto\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-124.png 837w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-124-300x215.png 300w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-124-768x551.png 768w\" sizes=\"(max-width: 837px) 100vw, 837px\" \/><figcaption class=\"wp-element-caption\">\u51fa\u5178\uff1a<a href=\"https:\/\/openai.com\/ja-JP\/index\/introducing-gpt-5-3-codex\/\" target=\"_blank\" rel=\"noreferrer noopener\">GPT\u20115.3\u2011Codex \u306e\u3054\u7d39\u4ecb<\/a><\/figcaption><\/figure>\n\n\n\n<p><span class=\"swl-marker mark_yellow\"><strong>\u30bf\u30fc\u30df\u30ca\u30eb\u306e\u64cd\u4f5c\u30b9\u30ad\u30eb\u3092\u8a55\u4fa1\u3059\u308b\u300cTerminal-Bench 2.0\u300d\u3067\u3082\u540c\u69d8\u306b\u3001\u5f93\u6765\u306e\u30e2\u30c7\u30eb\u3092\u4e0a\u56de\u308b<\/strong><\/span>\u7d50\u679c\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-style-shadow\"><img decoding=\"async\" width=\"386\" height=\"437\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-123.png\" alt=\"\" class=\"wp-image-82711\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-123.png 386w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-123-265x300.png 265w\" sizes=\"(max-width: 386px) 100vw, 386px\" \/><figcaption class=\"wp-element-caption\">\u51fa\u5178\uff1a<a href=\"https:\/\/openai.com\/ja-JP\/index\/introducing-gpt-5-3-codex\/\" target=\"_blank\" rel=\"noreferrer noopener\">GPT\u20115.3\u2011Codex \u306e\u3054\u7d39\u4ecb<\/a><\/figcaption><\/figure>\n\n\n\n<p>\u5b9f\u969b\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u958b\u767a\u306b\u3064\u3044\u3066\u3082\u3001GPT\u20115.2\u2011Codex\u3068\u6bd4\u8f03\u3057\u3066GPT\u20115.3\u2011Codex\u306e\u65b9\u304c\u30b7\u30f3\u30d7\u30eb\u306a\u30d7\u30ed\u30f3\u30d7\u30c8\u3067\u3082\u610f\u56f3\u3092\u3088\u308a\u6b63\u78ba\u306b\u7406\u89e3\u3067\u304d\u308b\u3068\u8aac\u660e\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u540c\u3058\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u4f7f\u3063\u305f\u5834\u5408\u3001GPT\u20115.3\u2011Codex\u306e\u65b9\u304c\u3088\u308a\u5b9f\u7528\u7684\u306a\u30b5\u30a4\u30c8\u3092\u4f5c\u6210\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<figure class=\"wp-block-image size-full is-style-shadow\"><img decoding=\"async\" width=\"572\" height=\"527\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-139.png\" alt=\"\" class=\"wp-image-82942\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-139.png 572w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-139-300x276.png 300w\" sizes=\"(max-width: 572px) 100vw, 572px\" \/><figcaption class=\"wp-element-caption\">GPT\u20115.3\u2011Codex\u304c\u4f5c\u6210<br>\u51fa\u5178\uff1a<a href=\"https:\/\/openai.com\/ja-JP\/index\/introducing-gpt-5-3-codex\/\" target=\"_blank\" rel=\"noreferrer noopener\">GPT\u20115.3\u2011Codex \u306e\u3054\u7d39\u4ecb<\/a><\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column\">\n<figure class=\"wp-block-image size-full is-style-shadow\"><img decoding=\"async\" width=\"551\" height=\"421\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-140.png\" alt=\"\" class=\"wp-image-82943\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-140.png 551w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-140-300x229.png 300w\" sizes=\"(max-width: 551px) 100vw, 551px\" \/><figcaption class=\"wp-element-caption\">GPT\u20115.2\u2011Codex\u304c\u4f5c\u6210<br>\u51fa\u5178\uff1a<a href=\"https:\/\/openai.com\/ja-JP\/index\/introducing-gpt-5-3-codex\/\" target=\"_blank\" rel=\"noreferrer noopener\">GPT\u20115.3\u2011Codex \u306e\u3054\u7d39\u4ecb<\/a><\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p>\u8907\u6570\u306e\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u306e\u7d50\u679c\u306b\u3088\u308a\u3001<span class=\"swl-marker mark_yellow\"><strong>GPT\u20115.3\u2011Codex\u306f\u5f93\u6765\u306e\u30e2\u30c7\u30eb\u3088\u308a\u3082\u9ad8\u3044\u7cbe\u5ea6\u306e\u958b\u767a\u652f\u63f4<\/strong><\/span>\u304c\u53ef\u80fd\u3068\u8a00\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-miralabai wp-block-embed-miralabai\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/miralab.co.jp\/media\/gpt-5-2-codex\/\n<\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">GPT-5.3-Codex\u3092\u4f7f\u3063\u3066\u3067\u304d\u308b\u3053\u3068\uff5c\u5f93\u6765\u306e\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0AI\u3068\u306e\u9055\u3044<\/h3>\n\n\n\n<p>GPT-5.3-Codex\u306f\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u5168\u4f53\u3092\u652f\u63f4\u3059\u308b\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u578bAI\u3068\u3057\u3066\u3001\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u652f\u63f4\u3060\u3051\u3067\u306a\u304f\u8cc7\u6599\u4f5c\u6210\u306a\u3069\u3001\u5e45\u5e83\u3044\u696d\u52d9\u6210\u679c\u7269\u306e\u4f5c\u6210\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group is-style-big_icon_good\"><div class=\"wp-block-group__inner-container\">\n<ul class=\"wp-block-list\">\n<li>\u958b\u767a\u30bf\u30b9\u30af\u652f\u63f4 \u2026 \u30b3\u30fc\u30c9\u306e\u751f\u6210\u30fb\u30c7\u30d0\u30c3\u30b0\u30fb\u30c7\u30d7\u30ed\u30a4\u30fb\u30c6\u30b9\u30c8\u306a\u3069<\/li>\n\n\n\n<li>\u975e\u958b\u767a\u30bf\u30b9\u30af\u652f\u63f4  \u2026 \u30b9\u30e9\u30a4\u30c9\u30c7\u30c3\u30ad\u4f5c\u6210\u3001\u30b9\u30d7\u30ec\u30c3\u30c9\u30b7\u30fc\u30c8\u5206\u6790\u3001\u30e6\u30fc\u30b6\u30fc\u30ea\u30b5\u30fc\u30c1\u306a\u3069<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p>44\u8077\u7a2e\u306e\u77e5\u8b58\u696d\u52d9\u30bf\u30b9\u30af\u3092\u6e2c\u5b9a\u3059\u308b<span class=\"swl-marker mark_yellow\"><strong>GDPval\u306e\u30b9\u30b3\u30a2\u3067\u306f\u3001\u5c02\u9580\u7684\u306a\u696d\u52d9\u6210\u679c\u7269\u306e\u4f5c\u6210\u306b\u304a\u3044\u306670.9%\u3068GPT-5.2\u306b\u4e26\u3076\u9ad8\u3044\u6027\u80fd<\/strong><\/span>\u3092\u793a\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u74b0\u5883\u3067\u306e\u64cd\u4f5c\u80fd\u529b\u3092\u6e2c\u308b<span class=\"swl-inline-color has-swl-deep-01-color\"><strong>OSWorld-Verified\u3067\u306f64.7\uff05\u306e\u7cbe\u5ea6\u304c\u78ba\u8a8d<\/strong><\/span>\u3055\u308c\u3001\u5f93\u6765\u30e2\u30c7\u30eb\uff08GPT-5.2-Codex:38.2\uff05\u3001GPT-5.2:37.9\uff05\uff09\u3092\u5927\u304d\u304f\u4e0a\u56de\u3063\u3066\u3044\u307e\u3059\u3002\u4eba\u9593\u306e\u30b9\u30b3\u30a2\u306f\u7d0472%\u3068\u8a00\u308f\u308c\u3066\u304a\u308a\u3001GUI\u306e\u64cd\u4f5c\u80fd\u529b\u3082\u4eba\u9593\u306e\u6c34\u6e96\u306b\u8fd1\u3065\u3044\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized is-style-shadow\"><img decoding=\"async\" width=\"293\" height=\"356\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-141.png\" alt=\"\" class=\"wp-image-83021\" style=\"width:406px;height:auto\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-141.png 293w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-141-247x300.png 247w\" sizes=\"(max-width: 293px) 100vw, 293px\" \/><figcaption class=\"wp-element-caption\">\u51fa\u5178\uff1a<a href=\"https:\/\/openai.com\/ja-JP\/index\/introducing-gpt-5-3-codex\/\" target=\"_blank\" rel=\"noreferrer noopener\">GPT\u20115.3\u2011Codex \u306e\u3054\u7d39\u4ecb<\/a><\/figcaption><\/figure>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\u3001GPT-5.3-Codex\u306f<span class=\"swl-marker mark_yellow\"><strong>\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u958b\u767a\u696d\u52d9\u3060\u3051\u3067\u306a\u304f\u3001\u30d3\u30b8\u30cd\u30b9\u8077\u304c\u62c5\u3046\u8907\u5408\u7684\u306a\u696d\u52d9\u306b\u3064\u3044\u3066\u3082\u9ad8\u3044\u30ec\u30d9\u30eb\u3067\u652f\u63f4\u53ef\u80fd<\/strong><\/span>\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">GPT-5.3-Codex\u306e\u4f7f\u3044\u65b9\uff5c4\u3064\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u5225\u306b\u89e3\u8aac\uff08Codex Web\u30fbCodex CLI\u30fbIDE\u62e1\u5f35\u30fbCodex\u30a2\u30d7\u30ea\uff09<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-119.png\" alt=\"\" class=\"wp-image-82699\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-119.png 1536w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-119-300x200.png 300w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-119-1024x683.png 1024w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-119-768x512.png 768w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n\n\n\n<p>GPT-5.3-Codex\u306f\u73fe\u5728\u3001Codex Web\u30fbCodex CLI\u30fbIDE\u62e1\u5f35\u30fbCodex\u30a2\u30d7\u30ea\u306e4\u3064\u306e\u65b9\u6cd5\u3067\u5229\u7528\u3067\u304d\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u64cd\u4f5c\u65b9\u6cd5\u3084\u63a5\u7d9a\u3067\u304d\u308b\u30ef\u30fc\u30af\u30b9\u30da\u30fc\u30b9\u304c\u7570\u306a\u308a\u3001\u958b\u767a\u30b9\u30bf\u30a4\u30eb\u3084\u30c1\u30fc\u30e0\u4f53\u5236\u306b\u5fdc\u3058\u305f\u4f7f\u3044\u5206\u3051\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u3053\u3067\u306f\u3001\u5404\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u9078\u629e\u3059\u308b\u969b\u306e\u30dd\u30a4\u30f3\u30c8\u3068\u3001\u305d\u308c\u305e\u308c\u5b9f\u969b\u306e\u64cd\u4f5c\u624b\u9806\u306b\u3064\u3044\u3066\u30b9\u30c6\u30c3\u30d7\u30fb\u30d0\u30a4\u30fb\u30b9\u30c6\u30c3\u30d7\u3067\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3010\u6bd4\u8f03\u8868\u3011GPT-5.3-Codex\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3068\u9078\u629e\u306e\u30dd\u30a4\u30f3\u30c8<\/h3>\n\n\n\n<p>GPT-5.3-Codex\u306f\u73fe\u5728\u30014\u3064\u306e\u5229\u7528\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5404\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3054\u3068\u306b\u3001<span class=\"swl-marker mark_yellow\"><strong>\u30d5\u30a3\u30c3\u30c8\u3059\u308b\u958b\u767a\u30b9\u30bf\u30a4\u30eb\u3084\u9023\u643a\u3067\u304d\u308b\u30ef\u30fc\u30af\u30b9\u30da\u30fc\u30b9\u306e\u7a2e\u985e\u304c\u7570\u306a\u308a\u307e\u3059<\/strong><\/span>\u3002\u81ea\u5206\u306e\u958b\u767a\u74b0\u5883\u3092\u8e0f\u307e\u3048\u3066\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u9078\u629e\u3059\u308b\u3068\u3088\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306b\u3001\u5404\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3054\u3068\u306e\u7279\u5fb4\u3084\u30ef\u30fc\u30af\u30b9\u30da\u30fc\u30b9\u306b\u3064\u3044\u3066\u6574\u7406\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table is-all-centered--va\"><table style=\"--swl-cell1-width:160px;\"><thead><tr><th>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/th><th>\u7279\u5fb4<\/th><th>\u9078\u629e\u53ef\u80fd\u306a\u30ef\u30fc\u30af\u30b9\u30da\u30fc\u30b9<\/th><th>\u5411\u3044\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc<\/th><\/tr><\/thead><tbody><tr><th>Codex Web<\/th><td>\u30d6\u30e9\u30a6\u30b6\u64cd\u4f5c<\/td><td>GitHub\u30ea\u30dd\u30b8\u30c8\u30ea<\/td><td><span data-icon=\"dot\" class=\"swl-inline-list\">GitHub\u4e2d\u5fc3\u306e\u958b\u767a\u8005<br><\/span><br><span data-icon=\"dot\" class=\"swl-inline-list\">\u30c1\u30fc\u30e0\u958b\u767a<\/span><\/td><\/tr><tr><th>Codex CLI<\/th><td><span data-icon=\"dot\" class=\"swl-inline-list\">\u30bf\u30fc\u30df\u30ca\u30eb\u64cd\u4f5c<\/span><br><span data-icon=\"dot\" class=\"swl-inline-list\">\u30b3\u30de\u30f3\u30c9\u5b9f\u884c<\/span><\/td><td>\u30ed\u30fc\u30ab\u30eb\u30ea\u30dd\u30b8\u30c8\u30ea<\/td><td>CLI\u64cd\u4f5c\u306b\u6163\u308c\u305f\u958b\u767a\u8005<\/td><\/tr><tr><th>IDE<\/th><td>\u30a8\u30c7\u30a3\u30bf\u5185\u64cd\u4f5c<\/td><td>\u30ed\u30fc\u30ab\u30eb\u30ea\u30dd\u30b8\u30c8\u30ea<\/td><td>\u7279\u5b9aIDE\u5229\u7528\u8005<\/td><\/tr><tr><th>Codex\u30a2\u30d7\u30ea<\/th><td><span data-icon=\"dot\" class=\"swl-inline-list\">\u30ed\u30fc\u30ab\u30eb\u30a2\u30d7\u30ea\u64cd\u4f5c<\/span><br><span data-icon=\"dot\" class=\"swl-inline-list\"><span class=\"swl-inline-color has-swl-deep-01-color\"><strong>macOS\u306e\u307f\u5bfe\u5fdc<\/strong><\/span><\/span><span class=\"swl-fz u-fz-xs\">\uff082026\u5e742\u6708\u6642\u70b9\uff09<\/span><\/td><td><span data-icon=\"dot\" class=\"swl-inline-list\">GitHub\u30ea\u30dd\u30b8\u30c8\u30ea<\/span><br><span data-icon=\"dot\" class=\"swl-inline-list\">\u30ed\u30fc\u30ab\u30eb\u30ea\u30dd\u30b8\u30c8\u30ea<\/span><\/td><td><span data-icon=\"dot\" class=\"swl-inline-list\">GUI\u64cd\u4f5c\u5e0c\u671b\u8005<\/span><br><span data-icon=\"dot\" class=\"swl-inline-list\">macOS\u30e6\u30fc\u30b6\u30fc<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><br>\u30c1\u30fc\u30e0\u958b\u767a\u306a\u3069\u3067GitHub\u306e\u6d3b\u7528\u304c\u4e2d\u5fc3\u3068\u306a\u3063\u3066\u3044\u308b\u5834\u5408\u306fCodex Web\u3001\u30ed\u30fc\u30ab\u30eb\u3067\u306e\u500b\u4eba\u958b\u767a\u304c\u4e3b\u306a\u5834\u5408\u306fCodex CLI\u304bIDE\u62e1\u5f35\u6a5f\u80fd\u3001\u30ed\u30fc\u30ab\u30eb\u74b0\u5883\u3067GUI\u3092\u4f7f\u3044\u305f\u3044\u5834\u5408\u306b\u306fCodex\u30a2\u30d7\u30ea\u304c\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">GPT-5.3-Codex\u3092Web\u30d6\u30e9\u30a6\u30b6\u3067\u4f7f\u3046<\/h3>\n\n\n\n<p>\u6700\u3082\u4ee3\u8868\u7684\u306a\u4f7f\u3044\u65b9\u3068\u3057\u3066\u3001ChatGPT\u3068\u540c\u69d8\u306bWeb\u30d6\u30e9\u30a6\u30b6\u304b\u3089\u5229\u7528\u3059\u308b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5177\u4f53\u7684\u306a\u624b\u9806\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group is-style-crease\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"swell-block-step\" data-num-style=\"circle\">\n<div class=\"swell-block-step__item\"><div class=\"swell-block-step__number u-bg-main\"><span class=\"__label\">STEP<\/span><\/div><div class=\"swell-block-step__title u-fz-l\"><strong>Codex Web\u306b\u30a2\u30af\u30bb\u30b9<\/strong><\/div><div class=\"swell-block-step__body\">\n<p><a href=\"https:\/\/chatgpt.com\/codex\" target=\"_blank\" rel=\"noreferrer noopener\">Codex Web<\/a>\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-style-default\"><img decoding=\"async\" width=\"1912\" height=\"646\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-125.png\" alt=\"\" class=\"wp-image-82721\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-125.png 1912w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-125-300x101.png 300w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-125-1024x346.png 1024w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-125-768x259.png 768w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-125-1536x519.png 1536w\" sizes=\"(max-width: 1912px) 100vw, 1912px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"swell-block-step__item\"><div class=\"swell-block-step__number u-bg-main\"><span class=\"__label\">STEP<\/span><\/div><div class=\"swell-block-step__title u-fz-l\"><strong>GitHub\u3068\u63a5\u7d9a\uff08\u521d\u56de\u306e\u307f\uff09<\/strong><\/div><div class=\"swell-block-step__body\">\n<p>Codex\u3068GitHub\u3092\u9023\u643a\u3055\u305b\u308b\u305f\u3081\u3001\u300cGitHub\u306b\u63a5\u7d9a\u3059\u308b\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1177\" height=\"391\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-150.png\" alt=\"\" class=\"wp-image-83135\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-150.png 1177w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-150-300x100.png 300w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-150-1024x340.png 1024w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-150-768x255.png 768w\" sizes=\"(max-width: 1177px) 100vw, 1177px\" \/><\/figure>\n\n\n\n<p>GitHub\u306e\u30b5\u30a4\u30f3\u30a4\u30f3\u753b\u9762\u304c\u8868\u793a\u3055\u308c\u308b\u306e\u3067\u3001\u4efb\u610f\u306e\u65b9\u6cd5\u3067\u30b5\u30a4\u30f3\u30a4\u30f3\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized is-style-shadow\"><img decoding=\"async\" width=\"595\" height=\"715\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-126.png\" alt=\"\" class=\"wp-image-82722\" style=\"width:452px;height:auto\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-126.png 595w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-126-250x300.png 250w\" sizes=\"(max-width: 595px) 100vw, 595px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"swell-block-step__item\"><div class=\"swell-block-step__number u-bg-main\"><span class=\"__label\">STEP<\/span><\/div><div class=\"swell-block-step__title u-fz-l\"><strong>Codex\u3068\u9023\u643a\u3059\u308b\u30ea\u30dd\u30b8\u30c8\u30ea\u30fb\u30d6\u30e9\u30f3\u30c1\u3092\u9078\u629e<\/strong><\/div><div class=\"swell-block-step__body\">\n<p>Codex\u306e\u30d7\u30ed\u30f3\u30d7\u30c8\u5165\u529b\u6b04\u306bGitHub\u306e\u30ea\u30dd\u30b8\u30c8\u30ea\u30fb\u30d6\u30e9\u30f3\u30c1\u304c\u8868\u793a\u3055\u308c\u308b\u306e\u3067\u3001\u9023\u643a\u3059\u308b\u30ea\u30dd\u30b8\u30c8\u30ea\u30fb\u30d6\u30e9\u30f3\u30c1\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1183\" height=\"517\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-151.png\" alt=\"\" class=\"wp-image-83136\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-151.png 1183w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-151-300x131.png 300w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-151-1024x448.png 1024w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-151-768x336.png 768w\" sizes=\"(max-width: 1183px) 100vw, 1183px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"swell-block-step__item\"><div class=\"swell-block-step__number u-bg-main\"><span class=\"__label\">STEP<\/span><\/div><div class=\"swell-block-step__title u-fz-l\"><strong>\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u5165\u529b<\/strong><\/div><div class=\"swell-block-step__body\">\n<p>Codex\u306e\u30d7\u30ed\u30f3\u30d7\u30c8\u5165\u529b\u6b04\u306b\u6307\u793a\u3092\u5165\u529b\u3057\u3001\u300c\u2191\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u30bf\u30b9\u30af\u304c\u958b\u59cb\u3055\u308c\u307e\u3059\u3002\u4eca\u56de\u306f\u300c\u30e2\u30c0\u30f3\u306a\u30ab\u30ec\u30f3\u30c0\u30fc\u30a2\u30d7\u30ea\u3092\u4f5c\u6210\u3057\u3066\u300d\u3068\u5165\u529b\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1890\" height=\"752\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-217.png\" alt=\"\" class=\"wp-image-84266\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-217.png 1890w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-217-300x119.png 300w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-217-1024x407.png 1024w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-217-768x306.png 768w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-217-1536x611.png 1536w\" sizes=\"(max-width: 1890px) 100vw, 1890px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"swell-block-step__item\"><div class=\"swell-block-step__number u-bg-main\"><span class=\"__label\">STEP<\/span><\/div><div class=\"swell-block-step__title u-fz-l\">\u30bf\u30b9\u30af\u306e\u5b9f\u884c\u7d50\u679c\u3092\u78ba\u8a8d<\/div><div class=\"swell-block-step__body\">\n<p>\u5b9f\u884c\u3057\u305f\u30bf\u30b9\u30af\u306f\u30d7\u30ed\u30f3\u30d7\u30c8\u5165\u529b\u6b04\u4e0b\u306e\u300c\u30bf\u30b9\u30af\u300d\u30bf\u30d6\u306b\u4e00\u89a7\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u8a72\u5f53\u306e\u30bf\u30b9\u30af\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3053\u3068\u3067\u3001\u5b9f\u884c\u7d50\u679c\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1042\" height=\"647\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-153.png\" alt=\"\" class=\"wp-image-83138\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-153.png 1042w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-153-300x186.png 300w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-153-1024x636.png 1024w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-153-768x477.png 768w\" sizes=\"(max-width: 1042px) 100vw, 1042px\" \/><\/figure>\n\n\n\n<p>\u751f\u6210\u3055\u308c\u305f\u30b3\u30fc\u30c9\u306b\u3064\u3044\u3066\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3001\u5909\u66f4\u5dee\u5206\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1185\" height=\"582\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-154.png\" alt=\"\" class=\"wp-image-83139\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-154.png 1185w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-154-300x147.png 300w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-154-1024x503.png 1024w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-154-768x377.png 768w\" sizes=\"(max-width: 1185px) 100vw, 1185px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"swell-block-step__item\"><div class=\"swell-block-step__number u-bg-main\"><span class=\"__label\">STEP<\/span><\/div><div class=\"swell-block-step__title u-fz-l\"><strong>\u30d7\u30eb\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u4f5c\u6210<\/strong><\/div><div class=\"swell-block-step__body\">\n<p>\u7d50\u679c\u306b\u554f\u984c\u304c\u306a\u3051\u308c\u3070\u753b\u9762\u53f3\u4e0a\u306e\u300cPR\u3092\u4f5c\u6210\u3059\u308b\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1185\" height=\"586\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-155.png\" alt=\"\" class=\"wp-image-83140\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-155.png 1185w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-155-300x148.png 300w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-155-1024x506.png 1024w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-155-768x380.png 768w\" sizes=\"(max-width: 1185px) 100vw, 1185px\" \/><\/figure>\n\n\n\n<p>GitHub\u306e\u30d7\u30eb\u30ea\u30af\u30a8\u30b9\u30c8\u4f5c\u6210\u753b\u9762\u306b\u79fb\u52d5\u3059\u308b\u306e\u3067\u3001\u958b\u767a\u30eb\u30fc\u30eb\u306a\u3069\u306b\u5f93\u3063\u3066\u30d7\u30eb\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1481\" height=\"1053\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-218.png\" alt=\"\" class=\"wp-image-84267\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-218.png 1481w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-218-300x213.png 300w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-218-1024x728.png 1024w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-218-768x546.png 768w\" sizes=\"(max-width: 1481px) 100vw, 1481px\" \/><\/figure>\n\n\n\n<p>\u300cMerge pull request\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001\u4f5c\u6210\u3057\u305f\u30d7\u30eb\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u30de\u30fc\u30b8\u3059\u308b\u3053\u3068\u3067\u30ea\u30dd\u30b8\u30c8\u30ea\u306b\u5909\u66f4\u304c\u53cd\u6620\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/div><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-miralabai wp-block-embed-miralabai\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/miralab.co.jp\/media\/github_beginner_setup_free\/\n<\/div><\/figure>\n\n\n\n<p>\u4e0a\u8a18\u306e\u624b\u9806\u306b\u3088\u308a\u3001\u81ea\u7136\u8a00\u8a9e\u306e\u6307\u793a\u304b\u3089\u7c21\u5358\u306b\u30b3\u30fc\u30c9\u751f\u6210\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u306a\u304a\u3001\u4eca\u56de\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30ab\u30ec\u30f3\u30c0\u30fc\u30a2\u30d7\u30ea\u304c\u4f5c\u6210\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-style-shadow\"><img decoding=\"async\" width=\"1418\" height=\"596\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-127.png\" alt=\"\" class=\"wp-image-82779\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-127.png 1418w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-127-300x126.png 300w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-127-1024x430.png 1024w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-127-768x323.png 768w\" sizes=\"(max-width: 1418px) 100vw, 1418px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">GPT-5.3-Codex\u3092Codex CLI\u3067\u4f7f\u3046<\/h3>\n\n\n\n<p>macOS\u307e\u305f\u306fLinux\u74b0\u5883\u3067\u306f\u3001Codex\u3092CLI\uff08\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\uff09\u304b\u3089\u5229\u7528\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>ChatGPT\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4f7f\u3063\u305fCodex CLI\u306e\u64cd\u4f5c\u624b\u9806\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group is-style-crease\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"swell-block-step\" data-num-style=\"circle\">\n<div class=\"swell-block-step__item\"><div class=\"swell-block-step__number u-bg-main\"><span class=\"__label\">STEP<\/span><\/div><div class=\"swell-block-step__title u-fz-l\">Node.js\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\uff08\u5fc5\u8981\u306a\u5834\u5408\uff09<\/div><div class=\"swell-block-step__body\">\n<p>Node.js\u306f\u3001Codex CLI\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306b\u4f7f\u7528\u3059\u308b<span class=\"swl-marker mark_yellow\"><strong>npm\uff08\u30d1\u30c3\u30b1\u30fc\u30b8\u7ba1\u7406\u30c4\u30fc\u30eb\uff09\u3092\u52d5\u4f5c\u3055\u305b\u308b\u305f\u3081\u306b\u5fc5\u8981<\/strong><\/span>\u306a\u305f\u3081\u3001\u30ed\u30fc\u30ab\u30eb\u74b0\u5883\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306fNode.js\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/nodejs.org\/ja\/download\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/nodejs.org\/ja\/download<\/a> \u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001\u81ea\u5206\u306e\u52d5\u4f5c\u74b0\u5883\u306b\u5408\u308f\u305b\u3066OS\u306a\u3069\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-style-shadow\"><img decoding=\"async\" width=\"1087\" height=\"537\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-131.png\" alt=\"\" class=\"wp-image-82918\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-131.png 1087w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-131-300x148.png 300w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-131-1024x506.png 1024w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-131-768x379.png 768w\" sizes=\"(max-width: 1087px) 100vw, 1087px\" \/><\/figure>\n\n\n\n<p>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u5148\u306e\u74b0\u5883\u306b\u5408\u308f\u305b\u305f\u30b3\u30de\u30f3\u30c9\u304c\u8868\u793a\u3055\u308c\u308b\u306e\u3067\u3001\u30ed\u30fc\u30ab\u30eb\u306e\u30bf\u30fc\u30df\u30ca\u30eb\u3067\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"swell-block-step__item\"><div class=\"swell-block-step__number u-bg-main\"><span class=\"__label\">STEP<\/span><\/div><div class=\"swell-block-step__title u-fz-l\"><strong>Codex CLI\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/strong><\/div><div class=\"swell-block-step__body\">\n<p>\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3001npm\u3092\u4f7f\u7528\u3057\u3066Codex CLI\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p><code>npm i -g @openai\/codex<\/code><\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-style-shadow\"><img decoding=\"async\" width=\"857\" height=\"180\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-133.png\" alt=\"\" class=\"wp-image-82920\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-133.png 857w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-133-300x63.png 300w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-133-768x161.png 768w\" sizes=\"(max-width: 857px) 100vw, 857px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"swell-block-step__item\"><div class=\"swell-block-step__number u-bg-main\"><span class=\"__label\">STEP<\/span><\/div><div class=\"swell-block-step__title u-fz-l\">Codex CLI\u306e\u8d77\u52d5<\/div><div class=\"swell-block-step__body\">\n<p>Codex\u306e\u30ef\u30fc\u30af\u30b9\u30da\u30fc\u30b9\u3068\u306a\u308b\u30ea\u30dd\u30b8\u30c8\u30ea\u306b\u79fb\u52d5\u3057\u3001<code>codex<\/code>\u3092\u5b9f\u884c\u3057\u3066\u8d77\u52d5\u3057\u307e\u3059\u3002<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"swell-block-step__item\"><div class=\"swell-block-step__number u-bg-main\"><span class=\"__label\">STEP<\/span><\/div><div class=\"swell-block-step__title u-fz-l\">\u30a2\u30ab\u30a6\u30f3\u30c8\u8a8d\u8a3c\uff08\u521d\u56de\u306e\u307f\uff09<\/div><div class=\"swell-block-step__body\">\n<p>\u521d\u56de\u306e\u307f\u30b5\u30a4\u30f3\u30a4\u30f3\u304c\u5fc5\u8981\u306a\u305f\u3081\u3001\u4efb\u610f\u306e\u65b9\u6cd5\u3067\u30b5\u30a4\u30f3\u30a4\u30f3\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<div class=\"swell-block-capbox cap_box is-style-onborder_ttl2\"><div class=\"cap_box_ttl\"><span>Codex CLI\u306e\u8a8d\u8a3c\u65b9\u6cd5<\/span><\/div><div class=\"cap_box_content\">\n<ul class=\"wp-block-list\">\n<li>Sign in with ChatGPT \u2026 \u6709\u6599\u30d7\u30e9\u30f3\u3092\u8cfc\u5165\u3057\u3066\u3044\u308bChatGPT\u30a2\u30ab\u30a6\u30f3\u30c8\u3067\u30b5\u30a4\u30f3\u30a4\u30f3<\/li>\n\n\n\n<li>Sign in with Device Code \u2026 \u30ef\u30f3\u30bf\u30a4\u30e0\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5229\u7528\u3057\u3066\u30b5\u30a4\u30f3\u30a4\u30f3<\/li>\n\n\n\n<li>Provide your own API key \u2026 API\u30ad\u30fc\u3092\u6307\u5b9a\u3057\u3066\u30b5\u30a4\u30f3\u30a4\u30f3<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"790\" height=\"383\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-136.png\" alt=\"\" class=\"wp-image-82937\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-136.png 790w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-136-300x145.png 300w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-136-768x372.png 768w\" sizes=\"(max-width: 790px) 100vw, 790px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"swell-block-step__item\"><div class=\"swell-block-step__number u-bg-main\"><span class=\"__label\">STEP<\/span><\/div><div class=\"swell-block-step__title u-fz-l\">\u30e2\u30c7\u30eb\u306e\u78ba\u8a8d<\/div><div class=\"swell-block-step__body\">\n<p>\u30bf\u30fc\u30df\u30ca\u30eb\u3067<code>\/model<\/code>\u3068\u5165\u529b\u3059\u308b\u3068\u3001\u5229\u7528\u3059\u308b\u30e2\u30c7\u30eb\u306e\u78ba\u8a8d\u30fb\u9078\u629e\u304c\u3067\u304d\u307e\u3059\u3002\u300cgpt-5.3-codex\u300d\u304c\u9078\u629e\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1332\" height=\"492\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-137.png\" alt=\"\" class=\"wp-image-82938\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-137.png 1332w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-137-300x111.png 300w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-137-1024x378.png 1024w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-137-768x284.png 768w\" sizes=\"(max-width: 1332px) 100vw, 1332px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"swell-block-step__item\"><div class=\"swell-block-step__number u-bg-main\"><span class=\"__label\">STEP<\/span><\/div><div class=\"swell-block-step__title u-fz-l\">\u30d7\u30ed\u30f3\u30d7\u30c8\u306e\u5b9f\u884c<\/div><div class=\"swell-block-step__body\">\n<p>\u30bf\u30fc\u30df\u30ca\u30eb\u4e0a\u3067\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u9001\u4fe1\u3059\u308b\u3068\u3001\u5bfe\u8c61\u30ea\u30dd\u30b8\u30c8\u30ea\u306b\u3064\u3044\u3066\u30bf\u30b9\u30af\u306e\u4f9d\u983c\u3084\u8cea\u554f\u306a\u3069\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1887\" height=\"652\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-134.png\" alt=\"\" class=\"wp-image-82922\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-134.png 1887w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-134-300x104.png 300w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-134-1024x354.png 1024w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-134-768x265.png 768w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-134-1536x531.png 1536w\" sizes=\"(max-width: 1887px) 100vw, 1887px\" \/><\/figure>\n<\/div><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-miralabai wp-block-embed-miralabai\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/miralab.co.jp\/media\/openai-codex-cli\/\n<\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">GPT-5.3-Codex\u3092IDE\u62e1\u5f35\u3067\u4f7f\u3046\uff08VS Code\u3078\u306e\u5c0e\u5165\uff09<\/h3>\n\n\n\n<p>VS Code\u3084Cursor\u306a\u3069\u306eIDE\u306b\u3001GPT-5.3-Codex\u3092\u62e1\u5f35\u6a5f\u80fd\u3068\u3057\u3066\u5c0e\u5165\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306e\u624b\u9806\u306b\u3088\u308aVS Code\u5185\u3067GPT-5.3-Codex\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group is-style-crease\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"swell-block-step\" data-num-style=\"circle\">\n<div class=\"swell-block-step__item\"><div class=\"swell-block-step__number u-bg-main\"><span class=\"__label\">STEP<\/span><\/div><div class=\"swell-block-step__title u-fz-l\">\u62e1\u5f35\u6a5f\u80fd\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/div><div class=\"swell-block-step__body\">\n<p>\u62e1\u5f35\u6a5f\u80fd\u306e\u30a2\u30a4\u30b3\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001\u300ccodex\u300d\u3067\u691c\u7d22\u3057\u3066\u8868\u793a\u3055\u308c\u308b\u300cCodex \u2013 OpenAI\u2019s coding agent\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002\u753b\u9762\u53f3\u5074\u306bCodex\u306e\u8aac\u660e\u30da\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u306e\u3067\u3001\u300cInstall\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-style-shadow\"><img decoding=\"async\" width=\"1192\" height=\"541\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-157.png\" alt=\"\" class=\"wp-image-83146\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-157.png 1192w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-157-300x136.png 300w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-157-1024x465.png 1024w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-157-768x349.png 768w\" sizes=\"(max-width: 1192px) 100vw, 1192px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"swell-block-step__item\"><div class=\"swell-block-step__number u-bg-main\"><span class=\"__label\">STEP<\/span><\/div><div class=\"swell-block-step__title u-fz-l\">Codex\u8d77\u52d5<\/div><div class=\"swell-block-step__body\">\n<p>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u5b8c\u4e86\u3059\u308b\u3068\u3001VS Code\u306e\u753b\u9762\u53f3\u4e0a\u306bOpenAI\u306e\u30a2\u30a4\u30b3\u30f3\u304c\u8868\u793a\u3055\u308c\u308b\u306e\u3067\u3001\u30af\u30ea\u30c3\u30af\u3057\u3066Codex\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u8d77\u52d5\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-style-shadow\"><img decoding=\"async\" width=\"897\" height=\"496\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-158.png\" alt=\"\" class=\"wp-image-83148\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-158.png 897w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-158-300x166.png 300w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-158-768x425.png 768w\" sizes=\"(max-width: 897px) 100vw, 897px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"swell-block-step__item\"><div class=\"swell-block-step__number u-bg-main\"><span class=\"__label\">STEP<\/span><\/div><div class=\"swell-block-step__title u-fz-l\">\u30a2\u30ab\u30a6\u30f3\u30c8\u8a8d\u8a3c\uff08\u521d\u56de\u306e\u307f\uff09<\/div><div class=\"swell-block-step__body\">\n<p>\u521d\u56de\u306f\u30a2\u30ab\u30a6\u30f3\u30c8\u8a8d\u8a3c\u304c\u5fc5\u8981\u306a\u305f\u3081\u3001\u4efb\u610f\u306e\u65b9\u6cd5\u3067\u30b5\u30a4\u30f3\u30a4\u30f3\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<div class=\"swell-block-capbox cap_box is-style-onborder_ttl2\"><div class=\"cap_box_ttl\"><span>IDE\u62e1\u5f35\u6a5f\u80fd\u306e\u8a8d\u8a3c\u65b9\u6cd5<\/span><\/div><div class=\"cap_box_content\">\n<ul class=\"wp-block-list\">\n<li>Sign in with ChatGPT \u2026 \u6709\u6599\u30d7\u30e9\u30f3\u3092\u8cfc\u5165\u3057\u3066\u3044\u308bChatGPT\u30a2\u30ab\u30a6\u30f3\u30c8\u3067\u30b5\u30a4\u30f3\u30a4\u30f3<\/li>\n\n\n\n<li>Use API key \u2026 API\u30ad\u30fc\u3092\u6307\u5b9a\u3057\u3066\u30b5\u30a4\u30f3\u30a4\u30f3<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<figure class=\"wp-block-image size-full is-style-shadow\"><img decoding=\"async\" width=\"1190\" height=\"593\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-160.png\" alt=\"\" class=\"wp-image-83151\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-160.png 1190w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-160-300x149.png 300w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-160-1024x510.png 1024w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-160-768x383.png 768w\" sizes=\"(max-width: 1190px) 100vw, 1190px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"swell-block-step__item\"><div class=\"swell-block-step__number u-bg-main\"><span class=\"__label\">STEP<\/span><\/div><div class=\"swell-block-step__title u-fz-l\">\u30e2\u30c7\u30eb\u306e\u78ba\u8a8d<\/div><div class=\"swell-block-step__body\">\n<p>\u30d7\u30ed\u30f3\u30d7\u30c8\u5165\u529b\u6b04\u5de6\u4e0b\u306e\u30a2\u30a4\u30b3\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u5229\u7528\u3059\u308b\u30e2\u30c7\u30eb\u304c\u78ba\u8a8d\u30fb\u9078\u629e\u3067\u304d\u307e\u3059\u3002\u300cGPT-5.3-Codex\u300d\u304c\u9078\u629e\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized is-style-shadow\"><img decoding=\"async\" width=\"621\" height=\"578\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-162.png\" alt=\"\" class=\"wp-image-83154\" style=\"width:505px;height:auto\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-162.png 621w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-162-300x279.png 300w\" sizes=\"(max-width: 621px) 100vw, 621px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"swell-block-step__item\"><div class=\"swell-block-step__number u-bg-main\"><span class=\"__label\">STEP<\/span><\/div><div class=\"swell-block-step__title u-fz-l\">\u30d7\u30ed\u30f3\u30d7\u30c8\u306e\u5b9f\u884c<\/div><div class=\"swell-block-step__body\">\n<p>VS Code\u5185\u306eCodex\u5165\u529b\u6b04\u3067\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u9001\u4fe1\u3059\u308b\u3068\u3001\u5bfe\u8c61\u30ea\u30dd\u30b8\u30c8\u30ea\u306b\u3064\u3044\u3066\u30bf\u30b9\u30af\u306e\u4f9d\u983c\u3084\u8cea\u554f\u306a\u3069\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-full is-resized is-style-shadow\"><img decoding=\"async\" width=\"447\" height=\"925\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-138.png\" alt=\"\" class=\"wp-image-82939\" style=\"width:182px;height:auto\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-138.png 447w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-138-145x300.png 145w\" sizes=\"(max-width: 447px) 100vw, 447px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column\" style=\"flex-basis:66.66%\">\n<figure class=\"wp-block-image size-full is-style-shadow\"><img decoding=\"async\" width=\"1842\" height=\"926\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-166.png\" alt=\"\" class=\"wp-image-83193\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-166.png 1842w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-166-300x151.png 300w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-166-1024x515.png 1024w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-166-768x386.png 768w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-166-1536x772.png 1536w\" sizes=\"(max-width: 1842px) 100vw, 1842px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">GPT-5.3-Codex\u3092Codex\u30a2\u30d7\u30ea\u3067\u4f7f\u3046<\/h3>\n\n\n\n<p>\u73fe\u5728\u3001Apple Silicon\u642d\u8f09\u306emacOS\uff08M1\u4ee5\u964d\u306e\u30c1\u30c3\u30d7\u3092\u642d\u8f09\u3057\u305fMac\uff09\u5411\u3051\u306bCodex\u30a2\u30d7\u30ea\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306e\u64cd\u4f5c\u624b\u9806\u306b\u3088\u308a\u3001ChatGPT\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4f7f\u3063\u3066Codex\u30a2\u30d7\u30ea\u4e0a\u3067GPT-5.3-Codex\u304c\u5229\u7528\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group is-style-crease\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"swell-block-step\" data-num-style=\"circle\">\n<div class=\"swell-block-step__item\"><div class=\"swell-block-step__number u-bg-main\"><span class=\"__label\">STEP<\/span><\/div><div class=\"swell-block-step__title u-fz-l\">Codex\u30a2\u30d7\u30ea\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/div><div class=\"swell-block-step__body\">\n<p><a href=\"https:\/\/chatgpt.com\/ja-JP\/codex\/get-started\">https:\/\/chatgpt.com\/ja-JP\/codex\/get-started<\/a> \u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001\u300cDownload for macOS\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1007\" height=\"612\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-163.png\" alt=\"\" class=\"wp-image-83157\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-163.png 1007w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-163-300x182.png 300w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-163-768x467.png 768w\" sizes=\"(max-width: 1007px) 100vw, 1007px\" \/><\/figure>\n\n\n\n<p>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u305f\u3089\u3001Codex\u30a2\u30a4\u30b3\u30f3\u3092\u300c\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u300d\u30d5\u30a9\u30eb\u30c0\u30fc\u306b\u30c9\u30e9\u30c3\u30b0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"swell-block-step__item\"><div class=\"swell-block-step__number u-bg-main\"><span class=\"__label\">STEP<\/span><\/div><div class=\"swell-block-step__title u-fz-l\">Codex\u30a2\u30d7\u30ea\u306e\u30b5\u30a4\u30f3\u30a4\u30f3\uff08\u521d\u56de\u306e\u307f\uff09<\/div><div class=\"swell-block-step__body\">\n<p>Codex\u30a2\u30d7\u30ea\u3092\u8d77\u52d5\u3057\u305f\u3089\u4efb\u610f\u306e\u65b9\u6cd5\u3067\u30b5\u30a4\u30f3\u30a4\u30f3\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"swell-block-capbox cap_box is-style-onborder_ttl2\"><div class=\"cap_box_ttl\"><span>Codex\u30a2\u30d7\u30ea\u306e\u8a8d\u8a3c<\/span><\/div><div class=\"cap_box_content\">\n<ul class=\"wp-block-list\">\n<li>Continue with ChatGPT \u2026 \u6709\u6599\u30d7\u30e9\u30f3\u3092\u8cfc\u5165\u3057\u3066\u3044\u308bChatGPT\u30a2\u30ab\u30a6\u30f3\u30c8\u3067\u30b5\u30a4\u30f3\u30a4\u30f3<\/li>\n\n\n\n<li>Enter key \u2026 API\u30ad\u30fc\u3092\u6307\u5b9a\u3057\u3066\u30b5\u30a4\u30f3\u30a4\u30f3<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1120\" height=\"618\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-219.png\" alt=\"\" class=\"wp-image-84268\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-219.png 1120w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-219-300x166.png 300w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-219-1024x565.png 1024w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-219-768x424.png 768w\" sizes=\"(max-width: 1120px) 100vw, 1120px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"swell-block-step__item\"><div class=\"swell-block-step__number u-bg-main\"><span class=\"__label\">STEP<\/span><\/div><div class=\"swell-block-step__title u-fz-l\">\u30ef\u30fc\u30af\u30b9\u30da\u30fc\u30b9\u306e\u9078\u629e<\/div><div class=\"swell-block-step__body\">\n<p>Codex\u304c\u7de8\u96c6\u3059\u308b\u30b3\u30fc\u30c9\u306e\u7f6e\u304d\u5834\u6240\u306a\u3069\u3001\u4f5c\u696d\u30b9\u30da\u30fc\u30b9\u3068\u306a\u308b\u5834\u6240\u3092\u4ee5\u4e0b\u306e\u3044\u305a\u308c\u304b\u304b\u3089\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<div class=\"swell-block-capbox cap_box is-style-onborder_ttl2\"><div class=\"cap_box_ttl\"><span>\u30ef\u30fc\u30af\u30b9\u30da\u30fc\u30b9\u306e\u9078\u629e\u80a2<\/span><\/div><div class=\"cap_box_content\">\n<ul class=\"wp-block-list\">\n<li>\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u4e0a\u306e\u30d5\u30a9\u30eb\u30c0\u30fc<\/li>\n\n\n\n<li>Git\u30ea\u30dd\u30b8\u30c8\u30ea<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1113\" height=\"622\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-220.png\" alt=\"\" class=\"wp-image-84270\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-220.png 1113w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-220-300x168.png 300w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-220-1024x572.png 1024w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-220-768x429.png 768w\" sizes=\"(max-width: 1113px) 100vw, 1113px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"swell-block-step__item\"><div class=\"swell-block-step__number u-bg-main\"><span class=\"__label\">STEP<\/span><\/div><div class=\"swell-block-step__title u-fz-l\">\u30d7\u30ed\u30f3\u30d7\u30c8\u306e\u5b9f\u884c<\/div><div class=\"swell-block-step__body\">\n<p>Codex\u30a2\u30d7\u30ea\u306e\u30d7\u30ed\u30f3\u30d7\u30c8\u5165\u529b\u6b04\u306b\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u5165\u529b\u3057\u3001\u300c\u2191\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3053\u3068\u3067\u30bf\u30b9\u30af\u304c\u958b\u59cb\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1726\" height=\"1007\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-222.png\" alt=\"\" class=\"wp-image-84272\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-222.png 1726w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-222-300x175.png 300w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-222-1024x597.png 1024w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-222-768x448.png 768w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-222-1536x896.png 1536w\" sizes=\"(max-width: 1726px) 100vw, 1726px\" \/><\/figure>\n<\/div><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">GPT-5.3-Codex\u306e\u6599\u91d1\uff5c\u6599\u91d1\u30d7\u30e9\u30f3\u306e\u9055\u3044\u3068\u9078\u3073\u65b9<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-120.png\" alt=\"\" class=\"wp-image-82707\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-120.png 1536w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-120-300x200.png 300w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-120-1024x683.png 1024w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-120-768x512.png 768w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n\n\n\n<p>GPT-5.3-Codex\u306f\u3001Plus\/Pro\/ Business\/Enterprise&amp;Edu\u3068\u3044\u3063\u305f\u6709\u6599\u30d7\u30e9\u30f3\u3067\u5229\u7528\u3067\u304d\u307e\u3059\u3002\u30d7\u30e9\u30f3\u3054\u3068\u306e\u9055\u3044\u3068\u3001\u500b\u4eba\u30fb\u30c1\u30fc\u30e0\u3068\u3044\u3063\u305f\u305d\u308c\u305e\u308c\u306e\u958b\u767a\u74b0\u5883\u306b\u9069\u3057\u305f\u30d7\u30e9\u30f3\u3092\u9078\u629e\u3059\u308b\u30dd\u30a4\u30f3\u30c8\u3092\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">GPT-5.3-Codex\u306e\u6599\u91d1\u30d7\u30e9\u30f3\uff5cPlus \/ Pro \/ Business \/ Enterprise &amp; Edu<\/h3>\n\n\n\n<p>GPT-5.3-Codex\u306f\u73fe\u5728\u3001ChatGPT\u306e\u6709\u6599\u30d7\u30e9\u30f3\u3067\u4f7f\u7528\u53ef\u80fd\u3067\u3059\u3002GPT-5.3-Codex\u304c\u5229\u7528\u53ef\u80fd\u306aChatGPT\u306e\u6709\u6599\u30d7\u30e9\u30f3\u3068\u3001\u5404\u30d7\u30e9\u30f3\u306b\u304a\u3051\u308b\u4f7f\u7528\u91cf\u306e\u5236\u9650\u306f\u8868\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u306a\u304a\u3001Enterprise &amp; Edu\u306f\u8cfc\u5165\u3057\u305f\u30af\u30ec\u30b8\u30c3\u30c8\u306b\u3088\u3063\u3066\u4f7f\u7528\u91cf\u306e\u5236\u9650\u304c\u5909\u52d5\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_info\">2026\u5e742\u6708\u73fe\u5728\u3001\u671f\u9593\u9650\u5b9a\u3067Free \/ Go\u30d7\u30e9\u30f3\u3067\u3082\u7121\u6599\u8a66\u7528\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n<div class=\"c-scrollHint sp_\"><span>\u30b9\u30af\u30ed\u30fc\u30eb\u3067\u304d\u307e\u3059 <i class=\"icon-more_arrow\"><\/i><\/span><\/div>\n<figure data-table-scrollable=\"sp\" data-cell1-fixed=\"sp\" class=\"wp-block-table is-all-centered\"><table style=\"--table-width:800px;\"><thead><tr><th>\u30d7\u30e9\u30f3<\/th><th>\u6708\u984d\u6599\u91d1<\/th><th>\u30ed\u30fc\u30ab\u30eb\u30e1\u30c3\u30bb\u30fc\u30b8<br><span class=\"swl-fz u-fz-xs\">\uff085\u6642\u9593\u3042\u305f\u308a\uff09<\/span><\/th><th>\u30af\u30e9\u30a6\u30c9\u30bf\u30b9\u30af<br><span class=\"swl-fz u-fz-xs\">\uff085\u6642\u9593\u3042\u305f\u308a\uff09<\/span><\/th><th>\u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc<br><span class=\"swl-fz u-fz-xs\">\uff081\u9031\u9593\u3042\u305f\u308a\uff09<\/span><\/th><\/tr><\/thead><tbody><tr><th>Plus<\/th><td>$20<\/td><td>45\uff5e225\u56de<\/td><td>10\uff5e60\u56de<\/td><td>10\uff5e25\u56de<\/td><\/tr><tr><th>Pro<\/th><td>$200<\/td><td>300\uff5e1500\u56de<\/td><td>50\uff5e400\u56de<\/td><td>100\uff5e250\u56de<\/td><\/tr><tr><th>Business<\/th><td>$30<span class=\"swl-fz u-fz-xs\">\/\u30e6\u30fc\u30b6\u30fc<\/span><\/td><td>45\uff5e225\u56de<\/td><td>10\uff5e60\u56de<\/td><td>10\uff5e25\u56de<\/td><\/tr><tr><th>Enterprise &amp; Edu<\/th><td>\u8981\u554f\u3044\u5408\u308f\u305b<\/td><td colspan=\"3\"><span class=\"swl-cell-text-centered\">\u30af\u30ec\u30b8\u30c3\u30c8\u306b\u3088\u308b<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u30ed\u30fc\u30ab\u30eb\u30e1\u30c3\u30bb\u30fc\u30b8\u3068\u30af\u30e9\u30a6\u30c9\u30bf\u30b9\u30af\u306f\u30015\u6642\u9593\u3042\u305f\u308a\u306e\u4e0a\u9650\u304c\u30d7\u30e9\u30f3\u3054\u3068\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<span class=\"swl-marker mark_yellow\"><strong>\u30ed\u30fc\u30ab\u30eb\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u6570\u3068\u30af\u30e9\u30a6\u30c9\u30bf\u30b9\u30af\u6570\u306f5\u6642\u9593\u3042\u305f\u308a\u306e\u5236\u9650\u3092\u5171\u6709<\/strong><\/span>\u3057\u3066\u3044\u308b\u306e\u3067\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u3001\u305d\u308c\u305e\u308c\u306e\u9805\u76ee\u306e\u8a73\u7d30\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group is-style-big_icon_good\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<dl class=\"swell-block-dl is-style-float\">\n<dt class=\"swell-block-dl__dt\">\u30ed\u30fc\u30ab\u30eb\u30e1\u30c3\u30bb\u30fc\u30b8<\/dt>\n\n\n\n<dd class=\"swell-block-dl__dd\">\n<p>IDE\u3084CLI\u4e0a\u3067\u30ed\u30fc\u30ab\u30eb\u306e\u30b3\u30fc\u30c9\u3092\u7de8\u96c6\u3059\u308b\u969b\u306e\u5bfe\u8a71\u56de\u6570<\/p>\n<\/dd>\n\n\n\n<dt class=\"swell-block-dl__dt\">\u30af\u30e9\u30a6\u30c9\u30bf\u30b9\u30af<\/dt>\n\n\n\n<dd class=\"swell-block-dl__dd\">\n<p>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5168\u4f53\u3092Codex\u304c\u30af\u30e9\u30a6\u30c9\u4e0a\u3067\u81ea\u52d5\u5b9f\u884c\u3059\u308b\u30bf\u30b9\u30af\u56de\u6570<\/p>\n<\/dd>\n\n\n\n<dt class=\"swell-block-dl__dt\">\u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc<\/dt>\n\n\n\n<dd class=\"swell-block-dl__dd\">\n<p>GitHub\u306a\u3069\u306e\u30d7\u30eb\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u30ec\u30d3\u30e5\u30fc\u3059\u308b\u56de\u6570<\/p>\n<\/dd>\n<\/dl>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">GPT-5.3-Codex\u3067\u6599\u91d1\u30d7\u30e9\u30f3\u3092\u5224\u65ad\u3059\u308b\u30dd\u30a4\u30f3\u30c8<\/h3>\n\n\n\n<p>GPT-5.3-Codex\u306e\u6599\u91d1\u30d7\u30e9\u30f3\u3092\u9078\u3076\u969b\u306b\u306f\u3001\u5404\u30d7\u30e9\u30f3\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u300c\u30ed\u30fc\u30ab\u30eb\u30e1\u30c3\u30bb\u30fc\u30b8\u6570\u300d\u300c\u30af\u30e9\u30a6\u30c9\u30bf\u30b9\u30af\u6570\u300d\u300c\u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc\u56de\u6570\u300d\u306e\u4f7f\u7528\u91cf\u306e\u5236\u9650\u304c\u5224\u65ad\u30dd\u30a4\u30f3\u30c8\u306b\u306a\u308a\u307e\u3059\u3002\u57fa\u672c\u7684\u306b\u306f\u3001<span class=\"swl-marker mark_yellow\"><strong>GPT-5.3-Codex\u3092\u4f7f\u7528\u3057\u305f\u3044\u6642\u9593\u3042\u305f\u308a\u306e\u56de\u6570\u3092\u3082\u3068\u306b\u30d7\u30e9\u30f3\u3092\u691c\u8a0e<\/strong><\/span>\u3059\u308b\u3068\u3088\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u500b\u4eba\u5229\u7528\u3067\u3042\u308c\u3070\u307e\u305aPlus\u3067\u5229\u7528\u50be\u5411\u3092\u628a\u63e1\u3057\u3001\u983b\u7e41\u306b\u5236\u9650\u306b\u9054\u3059\u308b\u5834\u5408\u306bPro\u3078\u79fb\u884c\u3059\u308b\u306e\u304c\u73fe\u5b9f\u7684\u3067\u3059\u3002\u30c1\u30fc\u30e0\u5229\u7528\u3067\u3001Business\u3084Enterprise &amp; Edu\u30d7\u30e9\u30f3\u306b\u3088\u308b\u30ef\u30fc\u30af\u30b9\u30da\u30fc\u30b9\u5358\u4f4d\u306e\u8cfc\u5165\u3084\u3001\u30af\u30ec\u30b8\u30c3\u30c8\u62e1\u5f35\u3092\u524d\u63d0\u306b\u3057\u305f\u8cfc\u5165\u306b\u3088\u308a\u3001\u51fa\u8cbb\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3057\u3084\u3059\u304f\u306a\u308b\u52b9\u679c\u304c\u898b\u8fbc\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u306a\u304a\u3001\u5b9f\u969b\u306e\u5229\u7528\u56de\u6570\u306e\u4e0a\u9650\u306f\u30bf\u30b9\u30af\u306e\u898f\u6a21\u3084\u8907\u96d1\u3055\u3001\u30ed\u30fc\u30ab\u30eb\u5b9f\u884c\u304b\u30af\u30e9\u30a6\u30c9\u5b9f\u884c\u304b\u3068\u3044\u3063\u305f\u8981\u7d20\u306b\u3088\u3063\u3066\u5909\u52d5\u3057\u307e\u3059\u3002\u5927\u898f\u6a21\u30ea\u30dd\u30b8\u30c8\u30ea\u306e\u89e3\u6790\u3084\u9577\u6642\u9593\u30bf\u30b9\u30af\u3067\u306f\u3001\u6d88\u8cbb\u304c\u5897\u3048\u308b\u70b9\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002\u4e0a\u9650\u306b\u5230\u9054\u3057\u305f\u5834\u5408\u3001<span class=\"swl-marker mark_yellow\"><strong>\u30d7\u30e9\u30f3\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3084\u30af\u30ec\u30b8\u30c3\u30c8\u8ffd\u52a0\u8cfc\u5165\u306b\u3088\u308a\u4f7f\u7528\u91cf\u3092\u62e1\u5f35<\/strong><\/span>\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-miralabai wp-block-embed-miralabai\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/miralab.co.jp\/media\/chatgpt_free_paid_models\/\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">GPT-5.3-Codex\u306e\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u5b89\u5168\u306b\u6d3b\u7528\u3059\u308b\u305f\u3081\u306e\u30dd\u30a4\u30f3\u30c8<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-146.png\" alt=\"\" class=\"wp-image-83089\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-146.png 1536w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-146-300x200.png 300w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-146-1024x683.png 1024w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-146-768x512.png 768w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n\n\n\n<p>GPT-5.3-Codex\u306f\u8106\u5f31\u6027\u3092\u7279\u5b9a\u3059\u308b\u305f\u3081\u306e\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u306a\u3069\u3001\u5b89\u5168\u5bfe\u7b56\u304c\u5185\u90e8\u306b\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u4e00\u65b9\u3067\u9ad8\u3044\u81ea\u5f8b\u6027\u306b\u306f\u30ea\u30b9\u30af\u3082\u4f34\u3044\u3001\u4eba\u9593\u306b\u3088\u308b\u30ec\u30d3\u30e5\u30fc\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u7ae0\u3067\u306f\u3001GPT-5.3-Codex\u306e\u5b89\u5168\u8a2d\u8a08\u3068\u904b\u7528\u4e0a\u306e\u6ce8\u610f\u70b9\u3092\u8e0f\u307e\u3048\u3001\u5b89\u5168\u306b\u6d3b\u7528\u3059\u308b\u305f\u3081\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u304a\u4f1d\u3048\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">GPT-5.3-Codex\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\uff5c\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u95a2\u3059\u308b\u53d6\u308a\u7d44\u307f<\/h3>\n\n\n\n<p>GPT-5.3-Codex\u306f\u3001<span class=\"swl-marker mark_yellow\"><strong>\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u95a2\u3059\u308b\u30bf\u30b9\u30af\u3067\u5927\u5e45\u306b\u6027\u80fd\u5411\u4e0a\u3057\u305f\u30e2\u30c7\u30eb<\/strong><\/span>\u3068\u3057\u3066\u4f4d\u7f6e\u3065\u3051\u3089\u308c\u307e\u3059\u3002OpenAI\u793e\u306e\u30e2\u30c7\u30eb\u306e\u4e2d\u3067\u306f\u521d\u3081\u3066\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u8106\u5f31\u6027\u7279\u5b9a\u3092\u76ee\u7684\u3068\u3057\u3066\u3001\u76f4\u63a5\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>GPT-5.3-Codex\u306fOpenAI\u793e\u304c\u5b9a\u7fa9\u3059\u308bPreparedness Framework\u306b\u304a\u3044\u3066\u3001\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u9818\u57df\u3067<span class=\"swl-inline-color has-swl-deep-01-color\"><strong>\u300cHigh capability\uff08\u9ad8\u80fd\u529b\uff09\u300d\u3068\u3057\u3066\u6271\u308f\u308c\u308b\u521d\u306e\u30e2\u30c7\u30eb<\/strong><\/span>\u3067\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>GPT\u20115.3\u2011Codex is the first model we classify as High capability\u2060 for cybersecurity-related tasks under our Preparedness Framework\u2060, and the first we\u2019ve directly trained to identify software vulnerabilities.<\/p>\n\n\n\n<p>\u8a33\uff1aGPT-5.3-Codex\u306f\u3001\u5f53\u793e\u306e\u6e96\u5099\u5ea6\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306b\u304a\u3044\u3066\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u95a2\u9023\u30bf\u30b9\u30af\u5411\u3051\u306b\u300c\u9ad8\u80fd\u529b\u300d\u3068\u5206\u985e\u3057\u305f\u521d\u306e\u30e2\u30c7\u30eb\u3067\u3042\u308a\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u8106\u5f31\u6027\u306e\u7279\u5b9a\u3092\u76f4\u63a5\u8a13\u7df4\u3057\u305f\u521d\u306e\u30e2\u30c7\u30eb\u3067\u3082\u3042\u308b\u3002<\/p>\n<cite>\u51fa\u5178\uff1a<a href=\"https:\/\/openai.com\/index\/introducing-gpt-5-3-codex\/\" target=\"_blank\" rel=\"noreferrer noopener\">OpenAI<\/a><\/cite><\/blockquote>\n\n\n\n<p>High capability\u306f\u91cd\u5927\u88ab\u5bb3\u3092\u5897\u5e45\u3057\u5f97\u308b\u80fd\u529b\u30ec\u30d9\u30eb\u3067\u3042\u308a\u3001\u8a72\u5f53\u30b7\u30b9\u30c6\u30e0\u306b\u306f\u5c55\u958b\u524d\u306b\u5341\u5206\u306a\u30bb\u30fc\u30d5\u30ac\u30fc\u30c9\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>GPT-5.3-Codex\u3067\u306f\u4e88\u9632\u7684\u306a\u30bb\u30fc\u30d5\u30ac\u30fc\u30c9\u3068\u3057\u3066\u3001\u9ad8\u5ea6\u306a\u6a5f\u80fd\u306b\u5bfe\u3059\u308b\u4fe1\u983c\u30d9\u30fc\u30b9\u306e\u30a2\u30af\u30bb\u30b9\u7ba1\u7406\u3001\u8105\u5a01\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30b9\u3092\u6d3b\u7528\u3057\u305f\u5b9f\u884c\u30fb\u76e3\u8996\u4f53\u5236\u306a\u3069\u3001<span class=\"swl-marker mark_yellow\"><strong>AI\u30e2\u30c7\u30eb\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u80fd\u529b\u3060\u3051\u3067\u306f\u306a\u3044\u5305\u62ec\u7684\u306a\u5bfe\u7b56\u304c\u5b9f\u73fe<\/strong><\/span>\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">GPT-5.3-Codex\u3092\u904b\u7528\u3059\u308b\u969b\u306e\u6ce8\u610f\u4e8b\u9805\uff5c\u5229\u7528\u3059\u308b\u5834\u5408\u306e\u30ea\u30b9\u30af\u3068\u5bfe\u7b56<\/h3>\n\n\n\n<p>GPT-5.3-Codex\u306f\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u578b\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u30e2\u30c7\u30eb\u3068\u3057\u3066\u9ad8\u3044\u81ea\u5f8b\u6027\u3092\u6301\u3061\u307e\u3059\u304c\u3001\u305d\u306e\u80fd\u529b\u306e\u9ad8\u3055\u3086\u3048\u306b\u9069\u5207\u306a\u30ec\u30d3\u30e5\u30fc\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u7279\u306b\u9577\u6642\u9593\u30bf\u30b9\u30af\u306e\u5b9f\u884c\u3084\u30c4\u30fc\u30eb\u5229\u7528\u3092\u4f34\u3046\u51e6\u7406\u3067\u306f\u3001\u8aa4\u3063\u305f\u6307\u793a\u3084\u4e0d\u9069\u5207\u306a\u6a29\u9650\u8a2d\u5b9a\u304c\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002GPT-5.3-Codex\u306b\u306f<span class=\"swl-marker mark_yellow\"><strong>\u5909\u66f4\u5dee\u5206\u3092\u4eba\u9593\u304c\u30ec\u30d3\u30e5\u30fc\u3057\u3001\u627f\u8a8d\u3059\u308b\u307e\u3067\u53cd\u6620\u3055\u308c\u306a\u3044\u4ed5\u7d44\u307f<\/strong><\/span>\u304c\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b\u305f\u3081\u6d3b\u7528\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized is-style-shadow\"><img decoding=\"async\" width=\"418\" height=\"418\" src=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-164.png\" alt=\"\" class=\"wp-image-83165\" style=\"width:459px;height:auto\" srcset=\"https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-164.png 418w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-164-300x300.png 300w, https:\/\/miralab.co.jp\/media\/wp-content\/uploads\/2026\/02\/image-164-150x150.png 150w\" sizes=\"(max-width: 418px) 100vw, 418px\" \/><figcaption class=\"wp-element-caption\">IDE\u62e1\u5f35\u6a5f\u80fd\u306b\u304a\u3051\u308b\u5909\u66f4\u78ba\u8a8d<\/figcaption><\/figure>\n\n\n\n<p>\u81ea\u5f8b\u578b\u3067\u3042\u3063\u3066\u3082<span class=\"swl-inline-color has-swl-deep-01-color\"><strong>\u4eba\u9593\u306b\u3088\u308b\u30ec\u30d3\u30e5\u30fc\u3092\u524d\u63d0\u3068\u3057\u305f\u904b\u7528<\/strong><\/span>\u304c\u3001\u5b89\u5168\u306b\u6d3b\u7528\u3059\u308b\u305f\u3081\u306e\u57fa\u672c\u65b9\u91dd\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p>GPT-5.3-Codex\u306f\u3001\u5358\u306b\u30b3\u30fc\u30c9\u3092\u751f\u6210\u30fb\u88dc\u5b8c\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u3088\u308a\u5e83\u3044\u7bc4\u56f2\u306e\u30bf\u30b9\u30af\u306e\u5b9f\u884c\u3092\u62c5\u3048\u308b\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u578b\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0AI\u3078\u3068\u9032\u5316\u3057\u307e\u3057\u305f\u3002\u4f7f\u7528\u65b9\u6cd5\u306fCodex Web\u30fbCodex CLI\u30fbIDE\u62e1\u5f35\u30fbCodex\u30a2\u30d7\u30ea\u306e4\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304b\u3089\u9078\u629e\u53ef\u80fd\u3067\u3001\u6599\u91d1\u30d7\u30e9\u30f3\u3082\u8907\u6570\u306e\u30d7\u30e9\u30f3\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5404\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u304a\u3051\u308b\u5b9f\u969b\u306e\u64cd\u4f5c\u624b\u9806\u3084\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u30fb\u6599\u91d1\u30d7\u30e9\u30f3\u306e\u5224\u65ad\u30dd\u30a4\u30f3\u30c8\u3092\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u672c\u8a18\u4e8b\u306e\u5185\u5bb9\u3092\u3082\u3068\u306bGPT-5.3-Codex\u306e\u5229\u7528\u3092\u691c\u8a0e\u3057\u3066\u307f\u3066\u306f\u3044\u304b\u304c\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>GPT-5.3-Codex\u3068\u306f\u3001\u30bf\u30b9\u30af\u3092\u81ea\u5f8b\u7684\u306b\u5b9f\u884c\u3067\u304d\u308b\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u578b\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0AI\u3067\u3059\u3002<\/p>\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001GPT-5.3-Codex\u306e\u4f7f\u3044\u65b9\u30924\u3064\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u5225\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002\u307e\u305f\u3001GPT-5.3-Codex\u306e\u6599\u91d1\u30d7\u30e9\u30f3\u3084\u3001\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u5b89\u5168\u306b\u6d3b\u7528\u3059\u308b\u30dd\u30a4\u30f3\u30c8\u3082\u6574\u7406\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3080\u3053\u3068\u3067\u3001\u81ea\u5206\u306e\u958b\u767a\u74b0\u5883\u306b\u6700\u9069\u306a\u65b9\u6cd5\u3067GPT-5.3-Codex\u3092\u5c0e\u5165\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"author":40,"featured_media":83295,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","_spnote":"GPT-5.3-Codex \u3068\u306f\r\nGPT-5.3-Codex \u4f7f\u3044\u65b9\r\nGPT-5.3-Codex \u6599\u91d1\r\nGPT-5.3-Codex \u30b3\u30fc\u30c7\u30a3\u30f3\u30b0","_custom_second_post_notes":"## \u30da\u30eb\u30bd\u30ca\u30fb\u691c\u7d22\u610f\u56f3\r\n\u30fb\u500b\u4eba\u958b\u767a\u8005\uff0f\u696d\u52d9\u30a8\u30f3\u30b8\u30cb\u30a2\uff1aGPT-5.3-Codex\u304c\u300c\u4f55\u304c\u3067\u304d\u308b\u81ea\u5f8b\u578b\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0AI\u306a\u306e\u304b\u300d\u3092\u628a\u63e1\u3057\u3001ChatGPT\u30fbCodex\u30a2\u30d7\u30ea\u30fbCLI\u30fbIDE\u62e1\u5f35\u306e\u3069\u308c\u304b\u3089\u59cb\u3081\u308b\u3079\u304d\u304b\u3001\u5177\u4f53\u7684\u306a\u4f7f\u3044\u65b9\u3092\u77ed\u6642\u9593\u3067\u7406\u89e3\u3057\u305f\u3044\u3002\r\n\u30fb\u30c6\u30c3\u30af\u30ea\u30fc\u30c9\uff0fEM\uff0f\u60c5\u30b7\u30b9\uff1a\u6599\u91d1\u30d7\u30e9\u30f3\u5dee\u3068\u5229\u7528\u4e0a\u9650\u306e\u8003\u3048\u65b9\u3001\u30c1\u30fc\u30e0\u904b\u7528\u6642\u306e\u6a29\u9650\u30fb\u30ec\u30d3\u30e5\u30fc\u30fb\u5b89\u5168\u6027\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u6574\u7406\u3057\u3001\u5c0e\u5165\u5224\u65ad\u3068\u904b\u7528\u8a2d\u8a08\u306e\u30a4\u30e1\u30fc\u30b8\u3092\u6301\u3061\u305f\u3044\u3002\r\n\r\n## \u53c2\u8003\u8a18\u4e8b\u69cb\u6210\u4f8b\uff08H2\u301cH3\u30fb\u2605\uff1d\u7af6\u5408\u5206\u6790\u3067\u91cd\u8981\u3068\u5224\u65ad\u3055\u308c\u305f\u898b\u51fa\u3057\uff09\r\n\u203b\u3042\u304f\u307e\u3067\u3082\u53c2\u8003\u306e\u305f\u3081\u30de\u30cb\u30e5\u30a2\u30eb\u3092\u53c2\u7167\u306e\u4e0a\u3001\u9069\u5207\u306a\u898b\u51fa\u3057\u69cb\u6210\u3092\u8003\u3048\u3066\u304f\u3060\u3055\u3044\u3002\r\n\r\n## GPT-5.3-Codex \u3068\u306f\uff1a\u81ea\u5f8b\u578b\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0AI\u306e\u5168\u4f53\u50cf \u2605\r\n### GPT-5.3-Codex \u3068\u306f\uff1a\u5f93\u6765\u30e2\u30c7\u30eb\uff08GPT-5.2 \/ GPT-5.2-Codex\uff09\u3068\u306e\u9055\u3044\r\n### GPT-5.3-Codex \u3068\u306f\uff1a\u3067\u304d\u308b\u3053\u3068\uff08\u958b\u767a\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u304b\u3089\u6210\u679c\u7269\u4f5c\u6210\u307e\u3067\uff09\r\n### GPT-5.3-Codex \u3068\u306f\uff1a\u5b89\u5168\u6027\u30fb\u30b5\u30a4\u30d0\u30fc\u9818\u57df\u3067\u62bc\u3055\u3048\u308b\u524d\u63d0\r\n\r\n## GPT-5.3-Codex \u4f7f\u3044\u65b9\uff1a\u3069\u3053\u3067\u4f7f\u3048\u308b\u304b\uff08\u5165\u53e3\u5225\u30ac\u30a4\u30c9\uff09 \u2605\r\n### GPT-5.3-Codex \u4f7f\u3044\u65b9\uff1aChatGPT\u3067\u4f7f\u3046\u6d41\u308c\r\n### GPT-5.3-Codex \u4f7f\u3044\u65b9\uff1aCodex\u30a2\u30d7\u30ea\u3067\u4f7f\u3046\u6d41\u308c\uff08\u8907\u6570\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\/\u4e26\u884c\u4f5c\u696d\u306e\u8003\u3048\u65b9\uff09\r\n### GPT-5.3-Codex \u4f7f\u3044\u65b9\uff1aCodex CLI\u3067\u4f7f\u3046\u6d41\u308c\uff08\u5c0e\u5165\u301c\u57fa\u672c\u64cd\u4f5c\uff09\r\n### GPT-5.3-Codex \u4f7f\u3044\u65b9\uff1aIDE\u62e1\u5f35\u3067\u4f7f\u3046\u6d41\u308c\uff08\u30ec\u30d3\u30e5\u30fc\/\u7de8\u96c6\u306e\u56de\u3057\u65b9\uff09\r\n### GPT-5.3-Codex \u4f7f\u3044\u65b9\uff1a\u81ea\u5f8b\u30bf\u30b9\u30af\u3092\u7834\u7dbb\u3055\u305b\u306a\u3044\u76e3\u7763\u30dd\u30a4\u30f3\u30c8\uff08\u9014\u4e2d\u30ec\u30d3\u30e5\u30fc\/\u5dee\u5206\u78ba\u8a8d\/\u6a29\u9650\uff09\r\n\r\n## GPT-5.3-Codex \u6599\u91d1\uff1a\u30d7\u30e9\u30f3\u5225\u306e\u9055\u3044\u3068\u9078\u3073\u65b9 \u2605\r\n### GPT-5.3-Codex \u6599\u91d1\uff1aPlus\/Pro\/Business\/Enterprise\/Edu\u3067\u4f55\u304c\u5909\u308f\u308b\u304b\r\n### GPT-5.3-Codex \u6599\u91d1\uff1a\u7121\u6599\u30fb\u671f\u9593\u9650\u5b9a\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306e\u6271\u3044\u3068\u6ce8\u610f\u70b9\r\n### GPT-5.3-Codex \u6599\u91d1\uff1a\u8ffd\u52a0\u30af\u30ec\u30b8\u30c3\u30c8\u3084API Key\u5229\u7528\u6642\u306b\u8d77\u304d\u308b\u5dee\u5206\r\n\r\n## GPT-5.3-Codex \u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\uff1a\u5f97\u610f\u9818\u57df\u30fb\u30d7\u30ed\u30f3\u30d7\u30c8\u4f8b\u30fb\u904b\u7528\u306e\u30b3\u30c4\r\n### GPT-5.3-Codex \u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\uff1a\u5411\u3044\u3066\u3044\u308b\u30bf\u30b9\u30af\uff08\u8a2d\u8a08\u2192\u5b9f\u88c5\u2192\u30c6\u30b9\u30c8\u2192\u30c7\u30d7\u30ed\u30a4\uff09\r\n### GPT-5.3-Codex \u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\uff1a\u4f9d\u983c\u306e\u51fa\u3057\u65b9\uff08\u8981\u4ef6\u30fb\u5236\u7d04\u30fb\u8a55\u4fa1\u306e\u6e21\u3057\u65b9\uff09\r\n### GPT-5.3-Codex \u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\uff1a\u904b\u7528\u3067\u63c9\u3081\u3084\u3059\u3044\u8ad6\u70b9\uff08\u30e9\u30a4\u30bb\u30f3\u30b9\/\u6a5f\u5bc6\/\u6a29\u9650\uff09\r\n\r\n## \u57f7\u7b46\u30dd\u30a4\u30f3\u30c8\r\n\r\n- \u8a18\u4e8b\u306e\u30b4\u30fc\u30eb  \r\n  - \u8aad\u8005\u304c\u300cGPT-5.3-Codex\u306e\u4f4d\u7f6e\u3065\u3051\uff08\u81ea\u5f8b\u578b\uff09\u300d\u300c\u4f7f\u3044\u59cb\u3081\u308b\u5165\u53e3\u300d\u300c\u6599\u91d1\u306e\u8003\u3048\u65b9\u300d\u3092\u7406\u89e3\u3057\u3001\u81ea\u5206\uff08\u307e\u305f\u306f\u30c1\u30fc\u30e0\uff09\u306b\u5408\u3046\u5c0e\u5165\u30d1\u30bf\u30fc\u30f3\u3092\u9078\u3079\u308b\u72b6\u614b\u306b\u3059\u308b\u3002\r\n\r\n- \u91cd\u8981\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\r\n  - \u521d\u5fc3\u8005\u306b\u3082\u4f1d\u308f\u308b\u3088\u3046\u306b\u5c02\u9580\u7528\u8a9e\u306f\u565b\u307f\u7815\u304d\u3001\u5148\u306b\u7d50\u8ad6\uff08\u4f55\u304c\u3067\u304d\u308b\uff0f\u3069\u3046\u59cb\u3081\u308b\uff0f\u3044\u304f\u3089\u304b\u304b\u308b\uff09\u3092\u63d0\u793a\u3057\u3066\u304b\u3089\u8a73\u7d30\u3078\u9032\u3081\u308b\u3002\r\n  - GPT-5.3-Codex\u306f\u201c\u30b3\u30fc\u30c9\u751f\u6210\u201d\u306b\u7559\u307e\u3089\u305a\u3001\u30bf\u30b9\u30af\u3092\u9032\u3081\u308b\u81ea\u5f8b\u578b\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u304c\u524d\u63d0\u3067\u3042\u308b\u70b9\u3092\u660e\u78ba\u306b\u3059\u308b\u3002\uff08\u6027\u80fd\u89e3\u8aac\u7b87\u6240\u306b\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u306e\u30b9\u30af\u30b7\u30e7\u3092\u633f\u5165\uff09\r\n  - \u81ea\u5f8b\u578b\u3067\u3042\u3063\u3066\u3082\u7121\u76e3\u7763\u904b\u7528\u3092\u63a8\u5968\u3059\u308b\u66f8\u304d\u65b9\u306f\u907f\u3051\u3001\u5dee\u5206\u78ba\u8a8d\u30fb\u30ec\u30d3\u30e5\u30fc\u30fb\u6a29\u9650\u8a2d\u8a08\u306a\u3069\u306e\u76e3\u7763\u524d\u63d0\u3092\u5d29\u3055\u306a\u3044\u3002\r\n  - \u4f7f\u3044\u65b9\u306f\u5165\u53e3\uff08ChatGPT\uff0f\u30a2\u30d7\u30ea\uff0fCLI\uff0fIDE\uff09\u3067\u4f53\u9a13\u304c\u5909\u308f\u308b\u305f\u3081\u3001\u8aad\u8005\u304c\u8ff7\u308f\u306a\u3044\u3088\u3046\u306b\u300c\u5165\u53e3\u5225\u306e\u5411\u304d\u4e0d\u5411\u304d\u300d\u3092\u6bd4\u8f03\u8868\u3067\u6574\u7406\u3059\u308b\u3002\r\n  - \u6599\u91d1\u306f\u300c\u30d7\u30e9\u30f3\u5dee\u300d\u3068\u300c\u5229\u7528\u4e0a\u9650\uff08\u30bf\u30b9\u30af\u898f\u6a21\u3084\u5b9f\u884c\u5834\u6240\u3067\u6d88\u8cbb\u304c\u5909\u52d5\u3059\u308b\u8003\u3048\u65b9\uff09\u300d\u304c\u8981\u70b9\u306b\u306a\u308b\u305f\u3081\u3001\u30d7\u30e9\u30f3\u6bd4\u8f03\u8868\uff0b\u9078\u3073\u65b9\u306e\u5224\u65ad\u8ef8\u3067\u6574\u7406\u3059\u308b\u3002\r\n\r\n- \u66f8\u304d\u65b9\u30fb\u30c8\u30fc\u30f3\u306e\u65b9\u91dd  \r\n  - \u300c\u4f7f\u3044\u65b9\u300d\u7ae0\u3067\u306f\u3001\u5b9f\u969b\u306e\u64cd\u4f5c\u753b\u9762\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3092\u30b9\u30c6\u30c3\u30d7\u30d6\u30ed\u30c3\u30af\u306b\u633f\u5165\u3057\u3001\u624b\u9806\u3092\u8996\u899a\u7684\u306b\u89e3\u8aac\u3059\u308b\uff08ChatGPT\uff0f\u30a2\u30d7\u30ea\uff0fCLI\uff0fIDE\u3092\u5165\u53e3\u5225\u306b\u7d71\u4e00\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u4e26\u3079\u308b\uff09\u3002\r\n  - \u6bd4\u8f03\u3084\u5224\u65ad\u304c\u5fc5\u8981\u306a\u7b87\u6240\u306f\u6587\u7ae0\u3067\u62bc\u3057\u5207\u3089\u305a\u3001\u8868\u5f62\u5f0f\uff08\u5165\u53e3\u6bd4\u8f03\u3001\u30d7\u30e9\u30f3\u6bd4\u8f03\u3001\u904b\u7528\u30ea\u30b9\u30af\u3068\u5bfe\u7b56\uff09\u3092\u57fa\u672c\u306b\u3059\u308b\u3002\r\n\r\n- \u6ce8\u610f\u70b9\u30fbNG  \r\n  - \u6599\u91d1\u30fb\u4e0a\u9650\u30fb\u63d0\u4f9b\u7bc4\u56f2\u306f\u5909\u66f4\u3055\u308c\u5f97\u308b\u305f\u3081\u3001\u65ad\u5b9a\u3057\u904e\u304e\u305a\u300c\u5909\u52d5\u8981\u56e0\uff08\u671f\u9593\u9650\u5b9a\u3001\u30d7\u30e9\u30f3\u3001\u30bf\u30b9\u30af\u898f\u6a21\uff09\u300d\u3092\u4f75\u8a18\u3057\u3066\u8aa4\u89e3\u3092\u9632\u3050\u3002\r\n  - \u6a5f\u5bc6\u60c5\u5831\u3084\u30e9\u30a4\u30bb\u30f3\u30b9\u5468\u308a\u306f\u8aad\u8005\u306e\u74b0\u5883\u3067\u6271\u3044\u304c\u7570\u306a\u308b\u305f\u3081\u3001\u4e00\u822c\u8ad6\u3068\u3057\u3066\u306e\u6ce8\u610f\u559a\u8d77\u306b\u7559\u3081\u3001\u7279\u5b9a\u74b0\u5883\u306e\u65ad\u5b9a\u3084\u904e\u5ea6\u306a\u5b89\u5fc3\u8868\u73fe\u306f\u907f\u3051\u308b\u3002","_dp_original":0,"footnotes":""},"categories":[184,34],"tags":[189],"ppma_author":[93,259,44],"class_list":["post-81120","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-generative_ai","category-development_ai","tag-chatgpt"],"pp_statuses_selecting_workflow":false,"pp_workflow_action":"current","pp_status_selection":"publish","authors":[{"term_id":93,"user_id":40,"is_guest":0,"slug":"sano_yuichiro","display_name":"\u4f50\u91ce\u4f51\u4e00\u90ce","avatar_url":"https:\/\/secure.gravatar.com\/avatar\/9291a107afedc8cd4f9cf5040cc593b7318902b512793917480c603da904a699?s=96&d=mm&r=g","0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":"","8":""},{"term_id":259,"user_id":102,"is_guest":0,"slug":"yamada1107","display_name":"yamada1107","avatar_url":"https:\/\/secure.gravatar.com\/avatar\/312971f5ba9a08907b3c29e8a0d60353f518d3c377edd8f31e08fbb654d08336?s=96&d=mm&r=g","0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":"","8":""},{"term_id":44,"user_id":1,"is_guest":0,"slug":"miralab_admin_0001","display_name":"\u7530\u9644 \u52c7\u78e8","avatar_url":"https:\/\/secure.gravatar.com\/avatar\/a2bc89cdbec54ddbae805d71d9f029784e6e18269cd2ffae68f202b8b80f44df?s=96&d=mm&r=g","0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":"","8":""}],"_links":{"self":[{"href":"https:\/\/miralab.co.jp\/media\/wp-json\/wp\/v2\/posts\/81120","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/miralab.co.jp\/media\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/miralab.co.jp\/media\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/miralab.co.jp\/media\/wp-json\/wp\/v2\/users\/40"}],"replies":[{"embeddable":true,"href":"https:\/\/miralab.co.jp\/media\/wp-json\/wp\/v2\/comments?post=81120"}],"version-history":[{"count":50,"href":"https:\/\/miralab.co.jp\/media\/wp-json\/wp\/v2\/posts\/81120\/revisions"}],"predecessor-version":[{"id":87688,"href":"https:\/\/miralab.co.jp\/media\/wp-json\/wp\/v2\/posts\/81120\/revisions\/87688"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/miralab.co.jp\/media\/wp-json\/wp\/v2\/media\/83295"}],"wp:attachment":[{"href":"https:\/\/miralab.co.jp\/media\/wp-json\/wp\/v2\/media?parent=81120"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/miralab.co.jp\/media\/wp-json\/wp\/v2\/categories?post=81120"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/miralab.co.jp\/media\/wp-json\/wp\/v2\/tags?post=81120"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/miralab.co.jp\/media\/wp-json\/wp\/v2\/ppma_author?post=81120"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}