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Home / Tools / Codex CLI

Codex CLI

OpenAI's open-source coding agent that runs locally in your terminal.

Visit Codex CLI ↗ Suggest an edit
Codex CLI official demo

Official video: “Meet the New Codex CLI” — OpenAI (official)

What it does

Open-source (Apache-2.0) coding agent from OpenAI that runs on your machine. Sign in with ChatGPT or use an API key; also available as IDE extension, desktop app and cloud agent. source

Timeline

  • Apr 16, 2025 — Codex CLI announced as open source alongside o3/o4-mini source

Online reception

Current status

Free tierIncluded with ChatGPT Free and Go, with plan-dependent limits source
Paid fromChatGPT Plus ($20/month) for higher limits; or pay API rates source
Latest versionTBD (see GitHub Releases) source

Last checked: 2026-10-17

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