Claude Opus 5.5 (Xhigh, Default Fallback) vs GPT-5 (Medium)

Claude Opus 5.5 (Xhigh, Default Fallback) vs GPT-5 (Medium). 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 5.5 (Xhigh, Default Fallback)GPT-5 (Medium)Difference
Intelligence (higher is better)56.022.9−59.1% GPT-5 (Medium) is 59.1% less intelligent
Total AA cost (lower is better)$4,056.65Not reported— not comparable
End-to-end time (lower is better)125.20s30.54s−75.6% GPT-5 (Medium) is 75.6% faster
Price per 1M tokens (in / out)$4.00 / $20.0$1.25 / $10.0
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-5-5-xhigh/gpt-5-medium · Markdown: /api/v1/compare/claude-opus-5-5-xhigh/gpt-5-medium?format=md · llms.txt · agent skill