Claude Opus 5.5 (High, Default Fallback) vs Claude Sonnet 5 (Non-reasoning, High)

Claude Opus 5.5 (High, Default Fallback) vs Claude Sonnet 5 (Non-reasoning, High). 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 5.5 (High, Default Fallback)Claude Sonnet 5 (Non-reasoning, High)Difference
Intelligence (higher is better)53.623.2−56.7% Claude Sonnet 5 (Non-… is 56.7% less intelligent
Total AA cost (lower is better)$2,172.43Not reported— not comparable
End-to-end time (lower is better)33.81s8.42s−75.1% Claude Sonnet 5 (Non-… is 75.1% faster
Price per 1M tokens (in / out)$4.00 / $20.0$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-opus-5-5-high/claude-sonnet-5-non-reasoning · Markdown: /api/v1/compare/claude-opus-5-5-high/claude-sonnet-5-non-reasoning?format=md · llms.txt · agent skill