OpenAI Codex
OpenAIProprietary
2 models2025Up to 200K ctx
About
OpenAI's Codex family of models optimized for software engineering tasks. Built on o3 architecture, trained via reinforcement learning. Powers the OpenAI Codex cloud coding agent with sandboxed execution, GitHub integration, and multi-file reasoning.
Specifications(2 models)
| Model | Released | Context | Reasoning | Code Exec |
|---|---|---|---|---|
| Codex Mini Latest | 2025-05 | 200K | No | No |
| Codex 1 | 2025-05 | 192K | Yes | Yes |
Frequently Asked Questions
- What is OpenAI Codex?
- OpenAI's Codex family of models optimized for software engineering tasks. Built on o3 architecture, trained via reinforcement learning. Powers the OpenAI Codex cloud coding agent with sandboxed execution, GitHub integration, and multi-file reasoning.
- How many models are in the OpenAI Codex family?
- The OpenAI Codex family contains 2 models.
- What is the latest OpenAI Codex model?
- The latest model is Codex Mini Latest, released in 2025-05.
