GPT-5.1 (High) vs GPT-5 nano (Medium)

GPT-5.1 (High) vs GPT-5 nano (Medium). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

OpenAIGPT-5.1 (High)Not ranked · benchmark data missing
Intelligence
24.70
Total cost
-
OpenAIGPT-5 nano (Medium)Not ranked · benchmark data missing
Intelligence
12.50
Total cost
-
Verdict

Comparison incomplete

A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

MetricGPT-5.1 (High)GPT-5 nano (Medium)Difference
Intelligence (higher is better)24.712.5−49.4% GPT-5 nano (Medium) is 49.4% less intelligent
Total AA cost (lower is better)Not reportedNot reported— not comparable
End-to-end time (lower is better)32.30s37.46s+16.0% GPT-5 nano (Medium) is 16.0% slower
Price per 1M tokens (in / out)$1.25 / $10.0$0.05 / $0.40
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerGPT-5.1 (High): what beats itGPT-5 nano (Medium): what beats it
Matchup

Compare something else

Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-1/gpt-5-nano-medium · Markdown: /api/v1/compare/gpt-5-1/gpt-5-nano-medium?format=md · llms.txt · agent skill