Claude Opus 5.5 (Medium, Default Fallback) vs o4-mini (High)

Claude Opus 5.5 (Medium, Default Fallback) vs o4-mini (High). 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 (Medium, Default Fallback)o4-mini (High)Difference
Intelligence (higher is better)51.216.7−67.4% o4-mini (High) is 67.4% less intelligent
Total AA cost (lower is better)$1,626.81Not reported— not comparable
End-to-end time (lower is better)20.28s28.44s+40.2% o4-mini (High) is 40.2% slower
Price per 1M tokens (in / out)$4.00 / $20.0$1.10 / $4.40
Input modalitiesText, ImageText, Image
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-medium/o4-mini · Markdown: /api/v1/compare/claude-opus-5-5-medium/o4-mini?format=md · llms.txt · agent skill