Codex CLI
Open Source
CLI Agent
OpenAI's command-line coding agent
About
Codex is OpenAI's agentic coding tool, available as a CLI, IDE extension, and cloud surface, powered by GPT-5.5. It reads and edits files, runs commands, and completes multi-step coding tasks autonomously across terminal, IDE, and web.
Compatibility
Supported Languages
python
typescript
javascript
rust
go
Details
- Category
- CLI Agent
- License
- Apache-2.0