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.

Codex CLI is a coding agent from OpenAI that runs locally on your computer. If you want Codex in your code editor (VS Code, Cursor, Windsurf), install in your IDE.

May 29, 2025 · Your source code never leaves your environment unless you choose to share it, as the CLI operates locally, according to OpenAI. In this article, I will show you how to install …

Oct 5, 2025 · A full guide to Codex CLI that covers why it matters, how to get started, the core commands, the role of AGENTS.md, everyday workflows, long running sessions, and …

May 7, 2025 · OpenAI Codex Lightweight coding agent that runs in your terminal npm i -g...

Apr 22, 2025 · OpenAI Codex CLI is an open-source command-line tool that brings the power of OpenAI's latest reasoning models (o4) directly to your terminal. This Lightweight CLI tool lets …

Aug 12, 2025 · Codex CLI is an open source, terminal based AI coding agent from OpenAI that lets you describe what you want in English and it reads, modifies, and runs code locally to …

Codex CLI supports a rich set of configuration options, with preferences stored in ~/.codex/config.toml. For full configuration options, see Configuration. See the Execpolicy …

Browse or execute Codex Cloud tasks from the terminal without opening the TUI.

Apr 18, 2025 · OpenAI Codex CLI is available on GitHub. It’s a lightweight AI coding assistant that runs directly in the terminal, like Claude Code from Anthropic. Features include: While it’s still …