Claude Opus 4.5 (Reasoning) vs o3-pro

Claude Opus 4.5 (Reasoning) vs o3-pro. 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)o3-proDifference
Intelligence (higher is better)29.121.9−24.7% o3-pro is 24.7% less intelligent
Total AA cost (lower is better)Not reportedNot reported— not comparable
End-to-end time (lower is better)25.65sNot reported— not comparable
Price per 1M tokens (in / out)$5.00 / $25.0$20.0 / $80.0
Input modalitiesText, ImageText, Image
Matchup

Compare something else

Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-opus-4-5-thinking/o3-pro · Markdown: /api/v1/compare/claude-opus-4-5-thinking/o3-pro?format=md · llms.txt · agent skill