OpenAI Codex review: pricing, features and verdict
Codex runs many agents in parallel across ChatGPT, a cloud workspace, an IDE extension and the Codex CLI, and can automatically review pull requests.
Try OpenAI CodexOfficial pricing
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Pricing
| Starts at | From $20/mo |
|---|---|
| Plans | Included in ChatGPT Plus $20/mo, Pro $100/mo, Business $20/user/mo (2+ seats, annual) |
| Where it runs | Cloud, CLI, IDE extension, ChatGPT app |
Checked against https://openai.com/codex/ in November 2026.
What we like
- Included with ChatGPT plans you may already pay for
- Parallel cloud agents that keep running when you close your laptop
- Automatic PR review
Watch out for
- Usage caps on Plus are aimed at focused sessions
- Best experience assumes a ChatGPT account and GitHub repos
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