From routine pull requests to your hardest problems, Codex reliably completes tasks end to end, like building features, complex refactors, migrations, and more, powered by OpenAI’s frontier coding …

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.

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 …

May 16, 2025 · Introducing Codex: a cloud-based software engineering agent that can work on many tasks in parallel, powered by codex-1. With Codex, developers can simultaneously deploy multiple …

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 …

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.

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, …

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.

The TypeScript library provides a way to control Codex from within your application that is more comprehensive and flexible than non-interactive mode. Use the library server-side; it requires …

When you run Codex natively on Windows, agent mode uses a Windows sandbox to block filesystem writes outside the working folder and prevent network access without your explicit approval.