Gemini 3.1 Pro Preview vs GPT-5.1 (High)

Gemini 3.1 Pro Preview vs GPT-5.1 (High). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

GoogleGemini 3.1 Pro PreviewOff the frontier
Intelligence
29.70
Total cost
$1935
OpenAIGPT-5.1 (High)Not ranked · benchmark data missing
Intelligence
24.70
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.

MetricGemini 3.1 Pro PreviewGPT-5.1 (High)Difference
Intelligence (higher is better)29.724.7−16.8% GPT-5.1 (High) is 16.8% less intelligent
Total AA cost (lower is better)$1,935.39Not reported— not comparable
End-to-end time (lower is better)24.47s32.30s+32.0% GPT-5.1 (High) is 32.0% slower
Price per 1M tokens (in / out)$2.00 / $12.0$1.25 / $10.0
Input modalitiesText, Image, Speech, VideoText, Image
Open this matchup in the interactive pickerGemini 3.1 Pro Preview: what beats itGPT-5.1 (High): what beats it
Matchup

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Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gemini-3-1-pro-preview/gpt-5-1 · Markdown: /api/v1/compare/gemini-3-1-pro-preview/gpt-5-1?format=md · llms.txt · agent skill