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

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 speed 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 …

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.

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 container for just that …

Use Codex in your editor to chat, edit, and preview changes seamlessly. With context from opened files and selected code, you can write shorter prompts and get faster, more relevant results.

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.

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 even your phone.

6 days ago · Codex now supports agent skills: reusable bundles of instructions (plus optional scripts and resources) that help Codex reliably complete specific tasks. Skills are available in both the Codex …

Aug 28, 2025 · Introducing the Codex IDE extension —pair with Codex inside VS Code (and compatible forks) to build faster, fix bugs, and understand unfamiliar code. Codex can read, edit, and run code in …