Claude Opus 5.5 (Max, Default Fallback) vs GPT-5 nano (High)

Claude Opus 5.5 (Max, Default Fallback) vs GPT-5 nano (High). 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 (Max, Default Fallback)GPT-5 nano (High)Difference
Intelligence (higher is better)57.613.0−77.4% GPT-5 nano (High) is 77.4% less intelligent
Total AA cost (lower is better)$8,708.20Not reported— not comparable
End-to-end time (lower is better)693.20s77.63s−88.8% GPT-5 nano (High) is 88.8% faster
Price per 1M tokens (in / out)$4.00 / $20.0$0.05 / $0.40
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/gpt-5-nano · Markdown: /api/v1/compare/claude-opus-5-5/gpt-5-nano?format=md · llms.txt · agent skill