Claude Sonnet 5 (Max) vs o3-pro

Claude Sonnet 5 (Max) 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.

AnthropicClaude Sonnet 5 (Max)Off the frontier
Intelligence
38.20
Total cost
$6998
OpenAIo3-proNot ranked · benchmark data missing
Intelligence
21.90
Total cost
-
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 Sonnet 5 (Max)o3-proDifference
Intelligence (higher is better)38.221.9−42.7% o3-pro is 42.7% less intelligent
Total AA cost (lower is better)$6,998.25Not reported— not comparable
End-to-end time (lower is better)183.62sNot reported— not comparable
Price per 1M tokens (in / out)$2.00 / $10.0$20.0 / $80.0
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerClaude Sonnet 5 (Max): what beats ito3-pro: 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-sonnet-5/o3-pro · Markdown: /api/v1/compare/claude-sonnet-5/o3-pro?format=md · llms.txt · agent skill