GPT-5.1
by OpenAI
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
Models
GPT-5.1
Added 10 July 2026
Overview
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...
How to use / API access
Call via OpenRouter with model id `openai/gpt-5.1`.
- openrouter ·
openai/gpt-5.1Docs
OpenRouter id: openai/gpt-5.1
Benchmarks
- Intelligence Index (artificial-analysis): 24.7 index
- Coding Index (artificial-analysis): 49.4 index
- Design Arena 3d (other): 1061 elo · #101
- Design Arena asciiart (other): 1121 elo · #54
- Design Arena codecategories (other): 1172 elo · #71
- Design Arena dataviz (other): 1204 elo · #56
Notes
GPT-5.1 is listed in the EDNA Models directory from the OpenRouter catalogue.
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