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 | In $/M | Out $/M | Context | Uptime |
|---|---|---|---|---|
| Azurecache | $1.25 | $10.00 | 400K | — |
| OpenAIcache | $1.25 | $10.00 | 400K | 100% |
| Azurecache | $1.25 | $10.00 | 400K | 100% |
GPT-5.1 costs $1.25 per million input tokens and $10.00 per million output tokens via OpenRouter, making it 222nd cheapest of 298 paid models.
GPT-5.1 scores 47.7 on the Artificial Analysis Intelligence Index, ranking 20th of 178 benchmarked models, with a GPQA Diamond score of 87%.
GPT-5.1 generates around 67 tokens per second with 1.0s time-to-first-token (p50), the 118th fastest tracked model.
GPT-5.1 supports a 400K-token context window and can output up to 128K tokens. It accepts image, text, file input.