OpenAI: GPT-5.1
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...
| Provider | Plan | Est. / month | Included | Source date |
|---|---|---|---|---|
| OpenAI | batch | $6.25 | — | 2026-09-18 |
| OpenAI | standard | $12.50 | — | 2026-09-18 |