OpenAI
Codex
OpenAI's coding agent that works in the cloud, the terminal or your editor to write features, fix bugs and review pull requests.
Last checked 7 Nov 2026 · chatgpt.com ↗
The facts
- Category
- Coding & dev
- Made by
- OpenAI
- How it charges
- Subscription
- Starting price
- included with ChatGPT plans (Plus and up); credits for extra use
- Free plan or tier
- Yes
- UK or EU data hosting
- Not published
- Certifications
- Not published
- API
- Yes
- Suits
- Solo (just you), Small (2–49), Mid-sized (50–249), Large (250+)
- Maturity
- Growing
Prices and hosting options are the vendor’s published terms on the date checked. Check the vendor’s site before you buy.
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