The best way to build with agents. Codex accelerates real engineering work, from planning and building features to refactors, reviews, and releases—working seamlessly across your tools.

Business, Edu, and Enterprise plans with flexible pricing can purchase additional workspace credits to continue using Codex. If you are approaching usage limits, you can also switch to the GPT-5.1 …

The Codex app is a focused desktop experience for working on Codex threads in parallel, with built-in worktree support, automations, and Git functionality. ChatGPT Plus, Pro, Business, Edu, and …

The Codex CLI is available on macOS and Linux. Windows support is experimental. For the best Windows experience, use Codex in a WSL workspace and follow our Windows setup guide.

Feb 5, 2026 · The Codex app makes managing and directing agents much easier, and now with GPT‑5.3‑Codex it’s more interactive. With the new model, Codex provides frequent updates so you …

Aug 10, 2021 · We’ve created an improved version of OpenAI Codex, our AI system that translates natural language to code, and we are releasing it through our API in private beta starting today.

It helps you build faster, squash bugs, and understand unfamiliar code. With the Codex VS Code extension, you can use Codex side by side in your IDE or delegate tasks to Codex Cloud. ChatGPT …

Understand unfamiliar codebases: Codex can read and explain complex or legacy code, helping you grasp how teams organize systems. Review code: Codex analyzes code to identify potential bugs, …

Feb 2, 2026 · Introducing the Codex app for macOS—a command center for AI coding and software development with multiple agents, parallel workflows, and long-running tasks.

This lets Codex work with the code in your repositories and create pull requests from its work. Your Plus, Pro, Business, Edu, or Enterprise plan includes Codex.