Claude 3 Opus vs Claude Opus 5.5 (Medium, Default Fallback)

Claude 3 Opus vs Claude Opus 5.5 (Medium, Default Fallback). 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 3 OpusClaude Opus 5.5 (Medium, Default Fallback)Difference
Intelligence (higher is better)8.751.2+488.5% Claude Opus 5.5 (Medi… is 5.9× more intelligent
Total AA cost (lower is better)Not reported$1,626.81— not comparable
End-to-end time (lower is better)Not reported20.68s— not comparable
Price per 1M tokens (in / out)$15.0 / $75.0$4.00 / $20.0
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-3-opus/claude-opus-5-5-medium · Markdown: /api/v1/compare/claude-3-opus/claude-opus-5-5-medium?format=md · llms.txt · agent skill