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| 1 model | openaiOpenAI: GPT-5.1-Codex-MaxRemove × |
|---|---|
| What’s different | GPT-5.1-Codex-Max is OpenAI’s latest agentic coding model, designed for long-running, high-context software development tasks. It is based on an updated version of the 5.1 reasoning stack and trained on… |
| Date | Dec 4, 2025Listed |
API prices USD · provider configuration shown below | |
| Listed rate | $1.25 in / $10.00 out/ 1M tokensAzure · via OpenRouter · all routes ↗azure |
| Provider endpoints | 3 endpoints → |
Specifications | |
| Context window | 400K |
| Max output | 128K |
| Parameters | — |
| Tool calling | Supported |
| Structured output | Supported |
| Image input | Supported |
| Reasoning | Supported |
| Prompt caching | Supported |