Find, validate, and patch code vulnerabilities with an agentic security review.
Coding & Dev
Coding & Dev Checked Oct 3, 2026
OpenAI Codex
OpenAI's coding agent that can write, fix and review code in the cloud, your terminal or your editor.
Best for: ChatGPT users and developers who want a coding agent included with the ChatGPT plan they already have.
Access
Free tier
Useful?
What you can do with it
- Delegate a coding task to run in the cloud
- Fix bugs from the terminal with Codex CLI
- Review pull requests on GitHub
- Work on several tasks in parallel
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