Claude Opus 4.5 (Non-reasoning) vs Claude Opus 5.5 (Max, Default Fallback)

Claude Opus 4.5 (Non-reasoning) 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.

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 4.5 (Non-reasoning)Claude Opus 5.5 (Max, Default Fallback)Difference
Intelligence (higher is better)23.757.6+143.0% Claude Opus 5.5 (Max,… is 2.4× more intelligent
Total AA cost (lower is better)Not reported$8,708.20— not comparable
End-to-end time (lower is better)11.32s693.20s+6023.7% Claude Opus 5.5 (Max,… is 6023.7% slower
Price per 1M tokens (in / out)$5.00 / $25.0$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-opus-4-5/claude-opus-5-5 · Markdown: /api/v1/compare/claude-opus-4-5/claude-opus-5-5?format=md · llms.txt · agent skill