GPT-5.1 is the latest frontier-grade model in the GPT-5 series, offering stronger general-purpose reasoning, improved instruction adherence, and a more natural conversational style compared to GPT-5. It uses adaptive reasoning...
Details
| Field | Value |
|---|---|
| id | gpt-5.1-2025-11-13 |
| context_length | 400000 |
| max_input_tokens | 272000 |
| max_output_tokens | 128000 |
| quantization | unknown |