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

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 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 …

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.

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 …

3 days ago · GPT-5-Codex is now available in the Responses API, and you can also use it with your API Key in the Codex CLI. We plan on regularly updating this model snapshot.

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 links to best …

The easiest way to use Codex on Windows is to set up the IDE extension, or install the CLI and run it from PowerShell. When running natively on Windows, Codex supports a powerful Agent mode which …