OpenAI Codex
OpenAI's coding agent across CLI, IDE extension, ChatGPT and cloud, with automatic PR review.
included in ChatGPT plans · starts at $20/mo (ChatGPT Plus)
- Pricing model
- included in ChatGPT plans
- Starts at
- $20/mo (ChatGPT Plus)
- GitHub stars
- 129,388
- Last push
- Oct 15, 2026
- Last verified
- Oct 15, 2026
Tier lists
Where OpenAI Codex is ranked, and why. Every placement is provisional.
Open-source CLI (129k+ stars) plus first-party OpenAI models, included in ChatGPT plans.
provisional
Cloud tasks with parallel agents and PR review, bundled with ChatGPT plans.
provisional
Related tools
Other tools on the same provisional lists.