Codex is OpenAI’s series of AI coding tools that help developers move faster by delegating tasks to powerful cloud and local coding agents.

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 …

May 16, 2025 · With Codex, developers can simultaneously deploy multiple agents to independently handle coding tasks such as writing features, answering questions about your …

Codex CLI is a coding agent that you can run locally from your terminal and that can read, modify, and run code on your machine, in the chosen directory. It’s open source, built in Rust for …

Codex helps developers turn natural language into working code, navigate complex codebases, and accelerate development. This resource outlines Codex’s key capabilities for builders and …

Sep 15, 2025 · Codex just got faster, more reliable, and better at real-time collaboration and tackling tasks independently anywhere you develop—whether via the terminal, IDE, web, or …

You can ask Codex to read, write, and execute code in your repositories, in order to answer questions or draft PRs. When you start a cloud task, Codex provisions a sandboxed cloud …

Oct 6, 2025 · Codex is now used by developers all over the world, from startups like Duolingo and Vanta to large enterprises like Cisco and Rakuten. Inside OpenAI, it’s become integral to how …

Learn how to use Codex by OpenAI. One agent for everywhere you code—included in ChatGPT Plus, Pro, Business, Edu, and Enterprise plans.

Codex is an AI coding agent that helps you write, review, and ship code faster. You can pair with it in your local tools or delegate work for it to complete in the cloud.