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

Claude Opus 4.5 (Reasoning) vs Claude Opus 5 (Low). 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 (Low)Difference
Intelligence (higher is better)29.139.4+35.4% Claude Opus 5 (Low) is 35.4% more intelligent
Total AA cost (lower is better)Not reported$1,560.91— not comparable
End-to-end time (lower is better)23.23s11.37s−51.1% Claude Opus 5 (Low) is 51.1% faster
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-low · Markdown: /api/v1/compare/claude-opus-4-5-thinking/claude-opus-5-low?format=md · llms.txt · agent skill