GPT-5.1
GPT-5.1 is the latest frontier-grade model in the GPT-5 series, offering stronge...
About
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 to allocate computation dynamically, responding quickly to simple queries while spending more depth on complex tasks. The model produces clearer, more grounded explanations with reduced jargon, making it easier to follow even on technical or multi-step problems. Built for
Details
| Modality | image, file, text |
| Context Window | 400.0K tokens |
| Release Date | Nov 13, 2025 |
| API Available | Yes |
| Hosting | api |
| Output Speed | 160 tokens/sec |
| Time to First Token | 600ms |
| Quality Index | 91/100 |
| Coding Index | 88/100 |
| Reasoning Index | 89/100 |
Benchmarks
Resources
Tags
Quick Info
- Organization
- OpenAI
- Pricing
- $1.25/1M input tokens
- Popularity
- 65/100
- Updated
- Feb 20, 2026
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