{"id":169727,"date":"2025-12-12T22:16:42","date_gmt":"2025-12-12T22:16:42","guid":{"rendered":"https:\/\/ushopwell.com\/ublog\/openai-built-an-ai-coding-agent-and-uses-it-to-improve-the-agent-itself\/"},"modified":"2025-12-12T22:16:42","modified_gmt":"2025-12-12T22:16:42","slug":"openai-built-an-ai-coding-agent-and-uses-it-to-improve-the-agent-itself","status":"publish","type":"post","link":"https:\/\/ushopwell.com\/ublog\/openai-built-an-ai-coding-agent-and-uses-it-to-improve-the-agent-itself\/","title":{"rendered":"OpenAI built an AI coding agent and uses it to improve the agent itself"},"content":{"rendered":"<div>\n<p>With the <a href=\"https:\/\/arstechnica.com\/ai\/2025\/09\/developers-joke-about-coding-like-cavemen-as-ai-service-suffers-major-outage\/\">popularity<\/a> of AI coding tools rising among some software developers, their adoption has begun to touch every aspect of the process, including the improvement of AI coding tools themselves.<\/p>\n<p>In interviews with Ars Technica this week, OpenAI employees revealed the extent to which the company now relies on its own AI coding agent, <a href=\"https:\/\/arstechnica.com\/ai\/2025\/05\/openai-introduces-codex-its-first-full-fledged-ai-agent-for-coding\/\">Codex<\/a>, to build and improve the development tool. \u201cI think the vast majority of Codex is built by Codex, so it\u2019s almost entirely just being used to improve itself,\u201d said Alexander Embiricos, product lead for Codex at OpenAI, in a conversation on Tuesday.<\/p>\n<p>Codex, which OpenAI <a href=\"https:\/\/openai.com\/index\/introducing-codex\/\">launched<\/a> in its modern incarnation as a research preview in May 2025, operates as a cloud-based software engineering agent that can handle tasks like writing features, fixing bugs, and proposing pull requests. The tool runs in sandboxed environments linked to a user\u2019s code repository and can execute multiple tasks in parallel. OpenAI offers Codex through ChatGPT\u2019s web interface, a command-line interface (CLI), and IDE extensions for VS Code, <a href=\"https:\/\/arstechnica.com\/ai\/2025\/04\/cursor-ai-support-bot-invents-fake-policy-and-triggers-user-uproar\/\">Cursor<\/a>, and <a href=\"https:\/\/windsurf.com\/\">Windsurf<\/a>.<\/p>\n<p><a href=\"https:\/\/arstechnica.com\/ai\/2025\/12\/how-openai-is-using-gpt-5-codex-to-improve-the-ai-tool-itself\/\">Read full article<\/a><\/p>\n<p><a href=\"https:\/\/arstechnica.com\/ai\/2025\/12\/how-openai-is-using-gpt-5-codex-to-improve-the-ai-tool-itself\/#comments\">Comments<\/a><\/p>\n<\/div>\n<p class=\"wpematico_credit\"><small>Powered by <a href=\"http:\/\/www.wpematico.com\" target=\"_blank\">WPeMatico<\/a><\/small><\/p>\n","protected":false},"excerpt":{"rendered":"<p>With the popularity of AI coding tools rising among some software developers, their adoption has begun to touch every aspect of the process, including the improvement of AI coding tools themselves. In interviews with Ars Technica this week, OpenAI employees revealed the extent to which the company now relies on its own AI coding agent, Codex, to build and improve the development tool. \u201cI think the vast majority of Codex&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[241],"tags":[],"class_list":["post-169727","post","type-post","status-publish","format-standard","hentry","category-technology"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>OpenAI built an AI coding agent and uses it to improve the agent itself - UshopWell.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ushopwell.com\/ublog\/openai-built-an-ai-coding-agent-and-uses-it-to-improve-the-agent-itself\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"OpenAI built an AI coding agent and uses it to improve the agent itself - UshopWell.com\" \/>\n<meta property=\"og:description\" content=\"With the popularity of AI coding tools rising among some software developers, their adoption has begun to touch every aspect of the process, including the improvement of AI coding tools themselves. In interviews with Ars Technica this week, OpenAI employees revealed the extent to which the company now relies on its own AI coding agent, Codex, to build and improve the development tool. \u201cI think the vast majority of Codex...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ushopwell.com\/ublog\/openai-built-an-ai-coding-agent-and-uses-it-to-improve-the-agent-itself\/\" \/>\n<meta property=\"og:site_name\" content=\"UshopWell.com\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-12T22:16:42+00:00\" \/>\n<meta name=\"author\" content=\"UShopWell\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"UShopWell\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/openai-built-an-ai-coding-agent-and-uses-it-to-improve-the-agent-itself\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/openai-built-an-ai-coding-agent-and-uses-it-to-improve-the-agent-itself\\\/\"},\"author\":{\"name\":\"UShopWell\",\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/#\\\/schema\\\/person\\\/6fd1f9e0ff932e534c86c70d5acff0fc\"},\"headline\":\"OpenAI built an AI coding agent and uses it to improve the agent itself\",\"datePublished\":\"2025-12-12T22:16:42+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/openai-built-an-ai-coding-agent-and-uses-it-to-improve-the-agent-itself\\\/\"},\"wordCount\":195,\"publisher\":{\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/#organization\"},\"articleSection\":[\"Technology\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/openai-built-an-ai-coding-agent-and-uses-it-to-improve-the-agent-itself\\\/\",\"url\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/openai-built-an-ai-coding-agent-and-uses-it-to-improve-the-agent-itself\\\/\",\"name\":\"OpenAI built an AI coding agent and uses it to improve the agent itself - 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