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Codex

OpenAI coding agent in ChatGPT and the terminal for pull requests, refactors, and reviews

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Aboutchatgpt.com

Codex is the OpenAI software engineering agent. In ChatGPT it answers codebase questions, runs code, and drafts pull requests, refactors, and code reviews across parallel tasks. A command-line version installs from npm. Access comes through ChatGPT plans, and the site has a pricing page.

Install
npm i -g @openai/codex
For an agent

Use it for parallel coding tasks that end in a pull request. Connect only the repositories it needs, and review every pull request it opens.

Why it is here. It is one of the main commercial coding agents.

Install command, framework, licence and component list.
Notable for
  • From OpenAI
  • Cloud and CLI
  • Pull request output
Provenance

Verified 2026-10-09. HTTP 200. https://chatgpt.com/codex/ (HTTP 200, page fetched 2026-10-09), depo.zip listing https://www.depo.zip/tools/j57atyt14y6cbp157d4c7gwakn834vxm

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