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

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

AnthropicClaude 3 OpusNot ranked · benchmark data missing
Intelligence
8.70
Total cost
-
AnthropicClaude Opus 5.5 (Max, Default Fallback)On the frontier
Intelligence
57.60
Total cost
$8708
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 (Max, Default Fallback)Difference
Intelligence (higher is better)8.757.6+562.1% Claude Opus 5.5 (Max,… is 6.6× more intelligent
Total AA cost (lower is better)Not reported$8,708.20— not comparable
End-to-end time (lower is better)Not reported626.13s— not comparable
Price per 1M tokens (in / out)$15.0 / $75.0$4.00 / $20.0
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerClaude 3 Opus: what beats itClaude Opus 5.5 (Max, Default Fallback): what beats it
Matchup

Compare something else

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