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GPT-5.1-Codex
OpenAI
GPT-5.1-Codex is a specialized version of GPT-5.1 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....
openrouter.ai ↗📖Context400K tokens
🚀Speed-
💵Input price$1.25/1M
💸Output price$10.00/1M
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Details
- Provider
- OpenAI
- Parameters
- -
- Context
- 400K tokens
- Speed
- -
- Open Source
- No
- License
- Proprietary
- Released
- Nov 2025