Claude Opus 5.5 (Xhigh, Default Fallback) vs Gemini 3.5 Flash (Medium)

Claude Opus 5.5 (Xhigh, Default Fallback) vs Gemini 3.5 Flash (Medium). 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 (Xhigh, Default Fallback)Gemini 3.5 Flash (Medium)Difference
Intelligence (higher is better)56.033.6−40.0% Gemini 3.5 Flash (Med… is 40.0% less intelligent
Total AA cost (lower is better)$4,056.65Not reported— not comparable
End-to-end time (lower is better)123.06s14.90s−87.9% Gemini 3.5 Flash (Med… is 87.9% faster
Price per 1M tokens (in / out)$4.00 / $20.0$1.50 / $9.00
Input modalitiesText, ImageText, Image, Speech, Video
Matchup

Compare something else

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