Claude 4.5 Sonnet (Non-reasoning) vs Claude Sonnet 5.5 (Xhigh, Default Fallback)

Claude 4.5 Sonnet (Non-reasoning) vs Claude Sonnet 5.5 (Xhigh, 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 4.5 Sonnet (Non-reasoning)Claude Sonnet 5.5 (Xhigh, Default Fallback)Difference
Intelligence (higher is better)19.351.9+168.9% Claude Sonnet 5.5 (Xh… is 2.7× more intelligent
Total AA cost (lower is better)Not reported$2,176.82— not comparable
End-to-end time (lower is better)11.73s33.91s+189.1% Claude Sonnet 5.5 (Xh… is 189.1% slower
Price per 1M tokens (in / out)$3.00 / $15.0$2.00 / $10.0
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-4-5-sonnet/claude-sonnet-5-5-xhigh · Markdown: /api/v1/compare/claude-4-5-sonnet/claude-sonnet-5-5-xhigh?format=md · llms.txt · agent skill