Claude Opus 4.5 (Reasoning) vs Claude Opus 5 (High)

Claude Opus 4.5 (Reasoning) vs Claude Opus 5 (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 4.5 (Reasoning)Claude Opus 5 (High)Difference
Intelligence (higher is better)29.148.1+65.3% Claude Opus 5 (High) is 65.3% more intelligent
Total AA cost (lower is better)Not reported$4,331.68— not comparable
End-to-end time (lower is better)23.23s24.66s+6.2% Claude Opus 5 (High) is 6.2% slower
Price per 1M tokens (in / out)$5.00 / $25.0$5.00 / $25.0
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-thinking/claude-opus-5-high · Markdown: /api/v1/compare/claude-opus-4-5-thinking/claude-opus-5-high?format=md · llms.txt · agent skill