OpenAI: GPT-5.1-Codex
openai/gpt-5.1-codex
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....
Modalities
TextImage
In / out price
₩2,194 / ₩17,550
1M
Context
400K
Released
Nov 14, 2025
Providers
Several places host the same model. Requests are spread by priority and health, and a local GPU always goes first when one is available.
| Provider | Context | Quantization | Max output | Priority | State |
|---|---|---|---|---|---|
| OpenRouter | 400K | — | — | 50 | unknown |