OpenAI Codex
OpenAI's agentic coding tool (CLI, IDE extension, cloud agent), billed via ChatGPT plans or the API.
Category: Development & Code · Coding assistants & IDEs
Features
OpenAI Codex is OpenAI’s agentic coding tool (CLI, IDE, cloud, iOS). With GPT-6 Astra, OpenAI targets more demanding coding and multi-step workflows; access is rolling out on a limited basis first.
Usage is tied to a ChatGPT plan or the API, not a separate Codex subscription. Plan limits are in the pricing table.
- Agentic coding via CLI, IDE extension, web/cloud, and iOS
- GPT-6 Astra for demanding coding and repository tasks (rollout in progress)
- Read repositories, propose changes, and carry out tasks
- Billed through ChatGPT plans (Free through Pro/Business) or the API
- Included with a ChatGPT subscription; no separate Codex fee
Prices and plans
| Tier | Price | Period | What you get |
|---|---|---|---|
| Free | free | Month | Explore Codex on quick coding tasks |
| Go | 8 $ | Month | Lightweight coding tasks |
| Plus | 20 $ | Month | Web, CLI, IDE, iOS, cloud review, Slack |
| Pro 5x | 100 $ | Month | 5x more Codex usage than Plus |
| Pro 20x | 200 $ | Month | 20x more Codex usage than Plus |
| Business | 20 $ pro Nutzer und Monat bei jährlicher Zahlung (25 $ pro Nutzer und Monat bei monatlicher Zahlung; ab 2 Nutzern) | per user per month, billed annually or monthly | SSO/MFA, no training on business data by default |
Limits
Prices are on the official Codex pricing page (learn.chatgpt.com/docs/pricing), not the ChatGPT card. Enterprise/Edu on request. Also, accessible via a personal API key, billed at standard API token rates instead of a subscription. Separate catalog entry from ChatGPT and Claude Code.
Similar tools
FAQ
Is OpenAI Codex available for free?
Yes. A permanently free plan is published, not a time-limited trial.
Where is OpenAI Codex's vendor based?
OpenAI, based in USA. For data processing and privacy terms the vendor's own contract governs.
Is OpenAI Codex still active?
Live-checked against the official vendor page.
How many plans are documented for OpenAI Codex?
The catalog documents 6 plans with price, billing period, and included features.
Which use case is OpenAI Codex categorized for?
OpenAI Codex is listed in the catalog under “Development & Code.”
Where do the details about OpenAI Codex come from?
Prices, limits, and product details are documented against the listed official vendor page.
How we compare
We compare free access, paid entry, plan limits, features and the listed official sources. Unsourced figures stay marked as not published.
Only confirmed entries appear in the catalog. Prices, plans and limits come from listed official vendor pages. Missing figures stay marked as not published. Result lists are alphabetical by default and can be switched to Free access first; neither is a quality ranking. The vendor page always wins.
Edited and checked by the AI Compare team
Sources
- https://learn.chatgpt.com/docs/pricing
- https://openai.com/codex/
- https://developers.openai.com/api/docs/guides/latest-model
- https://developers.openai.com/api/docs/models/gpt-6-astra
- https://help.openai.com/en/articles/6825453-chatgpt-plus-faq
- https://deploymentsafety.openai.com/gpt-6-astra
- https://openai.com/index/path-to-astra/
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