Claude 4 Opus (Reasoning) vs Claude Sonnet 5 (Xhigh)

Claude 4 Opus (Reasoning) vs Claude Sonnet 5 (Xhigh). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

AnthropicClaude 4 Opus (Reasoning)Not ranked · benchmark data missing
Intelligence
20.60
Total cost
-
AnthropicClaude Sonnet 5 (Xhigh)Off the frontier
Intelligence
34.40
Total cost
$3255
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 Opus (Reasoning)Claude Sonnet 5 (Xhigh)Difference
Intelligence (higher is better)20.634.4+67.0% Claude Sonnet 5 (Xhig… is 67.0% more intelligent
Total AA cost (lower is better)Not reported$3,255.40— not comparable
End-to-end time (lower is better)Not reported26.92s— not comparable
Price per 1M tokens (in / out)$15.0 / $75.0$2.00 / $10.0
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerClaude 4 Opus (Reasoning): what beats itClaude Sonnet 5 (Xhigh): 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-4-opus-thinking/claude-sonnet-5-xhigh · Markdown: /api/v1/compare/claude-4-opus-thinking/claude-sonnet-5-xhigh?format=md · llms.txt · agent skill