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 …

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.

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

Codex is OpenAI’s series of AI coding tools that help developers move faster by delegating tasks to powerful cloud and local coding agents. Interact with Codex in a variety of interfaces: in your IDE, …

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.

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, …

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 …

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.

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.

Explore OpenAI coding solutions with Codex and GPT-5. Accelerate software development, automate reviews, and improve code quality with AI.