Claude Opus 5.5 (High, Default Fallback) vs Gemini 3 Flash Preview (Reasoning)

Claude Opus 5.5 (High, Default Fallback) vs Gemini 3 Flash Preview (Reasoning). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

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.

MetricClaude Opus 5.5 (High, Default Fallback)Gemini 3 Flash Preview (Reasoning)Difference
Intelligence (higher is better)53.626.3−50.9% Gemini 3 Flash Previe… is 50.9% less intelligent
Total AA cost (lower is better)$2,172.43Not reported— not comparable
End-to-end time (lower is better)33.81s7.99s−76.4% Gemini 3 Flash Previe… is 76.4% faster
Price per 1M tokens (in / out)$4.00 / $20.0$0.50 / $3.00
Input modalitiesText, ImageText, Image, Speech, Video
Matchup

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Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-opus-5-5-high/gemini-3-flash-reasoning · Markdown: /api/v1/compare/claude-opus-5-5-high/gemini-3-flash-reasoning?format=md · llms.txt · agent skill