openai/gpt-5.1-codex-max Details | |
|---|---|
| Overview | |
| Description | GPT-5.1 Codex Max is a maximum-effort variant of GPT-5.1 Codex optimized for long-horizon agentic coding inside the Codex environment, with extended context and reasoning support. Served through OpenAI's Codex surfaces. |
| Author | OpenAI |
| Category | Text Generation |
| Context length | 400K |
| Providers | 1 |
| Pricing (per 1M tokens) | |
| Input | $2.50 |
| Output | $20.00 |
| Capabilities | |
| Reasoning | |
| Tool calling | |
| Vision | |
| Streaming | |
| Token activity (30 days) | |
| Usage | |
| Artificial Analysis | |
| Intelligence | 46.0 |
| Coding | 42.0 |
| Benchmarks | |
| GPQA Diamond | 0.9 |
| IFEval | 0.7 |