OpenAI: GPT-5.1 (batch)
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...
Everything else
| Max output | 128K |
|---|---|
| Input / 1M | $0.625 |
| Output / 1M | $5 |
| Cache read / 1M | $0.063 |
| Cache write / 1M | — |
| 1M in + 1M out | $5.63 |
| Takes | image, text, file |
| Returns | text |
| Tools | yes |
| Reasoning | optional · high, medium, low, none |
| Open weights | no |
| Released | 2025-11-13 |
| Knowledge cutoff | — |
| Retires | — |
| Catalog id | openai/gpt-5.1:batch |
Using it
In 00, this model is picked per agent — and per tier, so the model that answers your customers need not be the one that writes your code. Get 00.