Claude Opus 5 (Medium) vs o3-mini (High)

Claude Opus 5 (Medium) vs o3-mini (High). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

AnthropicClaude Opus 5 (Medium)Off the frontier
Intelligence
44.80
Total cost
$2732
OpenAIo3-mini (High)Not ranked · benchmark data missing
Intelligence
11.00
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 Opus 5 (Medium)o3-mini (High)Difference
Intelligence (higher is better)44.811.0−75.4% o3-mini (High) is 75.4% less intelligent
Total AA cost (lower is better)$2,731.91Not reported— not comparable
End-to-end time (lower is better)13.14s16.18s+23.1% o3-mini (High) is 23.1% slower
Price per 1M tokens (in / out)$5.00 / $25.0$1.10 / $4.40
Input modalitiesText, ImageText
Open this matchup in the interactive pickerClaude Opus 5 (Medium): what beats ito3-mini (High): what beats it
Matchup

Compare something else

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