Claude Sonnet 5 (High) vs o3

Claude Sonnet 5 (High) vs o3. 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 (High)Off the frontier
Intelligence
31.70
Total cost
$2086
OpenAIo3Not ranked · benchmark data missing
Intelligence
20.20
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 (High)o3Difference
Intelligence (higher is better)31.720.2−36.3% o3 is 36.3% less intelligent
Total AA cost (lower is better)$2,086.04Not reported— not comparable
End-to-end time (lower is better)14.79s10.44s−29.4% o3 is 29.4% faster
Price per 1M tokens (in / out)$2.00 / $10.0$2.00 / $8.00
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerClaude Sonnet 5 (High): what beats ito3: 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-high/o3 · Markdown: /api/v1/compare/claude-sonnet-5-high/o3?format=md · llms.txt · agent skill