OpenAI Codex
FreemiumOpenAI's coding agent; the open-source Codex CLI is a lightweight agent that runs in your terminal.
Terminal-nativeAgent mode
- Use case
- AI coding agents
- Pricing tier
- Freemium
- Pricing note
- OpenAI's pricing page says Codex is included in ChatGPT Free, Go, Plus, Pro, Business, Edu and Enterprise plans.
- Skill level*
- Intermediate
- License
- Apache-2.0 (Codex CLI)
- Added
- 2026-10-15
- Sources checked
* Skill level and vibe badges are our own editorial labels. Pricing and plans change often; always confirm on the official site. Last checked 2026-10-15.