Claude Opus 4.6 (Max) vs Claude Opus 5.5 (Max, Default Fallback)

Claude Opus 4.6 (Max) 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 Opus 4.6 (Max)Not ranked · benchmark data missing
Intelligence
31.90
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 Opus 4.6 (Max)Claude Opus 5.5 (Max, Default Fallback)Difference
Intelligence (higher is better)31.957.6+80.6% Claude Opus 5.5 (Max,… is 80.6% more intelligent
Total AA cost (lower is better)Not reported$8,708.20— not comparable
End-to-end time (lower is better)34.56s693.20s+1905.8% Claude Opus 5.5 (Max,… is 1905.8% slower
Price per 1M tokens (in / out)$5.00 / $25.0$4.00 / $20.0
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerClaude Opus 4.6 (Max): what beats itClaude Opus 5.5 (Max, Default Fallback): what beats it
Matchup

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Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-opus-4-6-adaptive/claude-opus-5-5 · Markdown: /api/v1/compare/claude-opus-4-6-adaptive/claude-opus-5-5?format=md · llms.txt · agent skill