GPT-5.1-Codex-Max
19 November 2025
GPT-5.1-Codex-Max from OpenAI, language model published 2025-11-19. Notable for: significant use.
Where it runs
| Provider | Model id | Context | Input | Output |
|---|---|---|---|---|
| OpenRouter | openai/gpt-5.1-codex-max | 400K | $1.25/M | $10/M |
Sources: Epoch AI, OpenRouter. This entry was generated from a dataset and has not been edited by hand.