Claude Opus 5.5 (Xhigh, Default Fallback) vs GPT-5.4 (Xhigh)

Claude Opus 5.5 (Xhigh, Default Fallback) vs GPT-5.4 (Xhigh). 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-5.4 (Xhigh)Difference
Intelligence (higher is better)56.039.0−30.4% GPT-5.4 (Xhigh) is 30.4% less intelligent
Total AA cost (lower is better)$4,056.65Not reported— not comparable
End-to-end time (lower is better)123.06s131.01s+6.5% GPT-5.4 (Xhigh) is 6.5% slower
Price per 1M tokens (in / out)$4.00 / $20.0$2.50 / $15.0
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-5-4 · Markdown: /api/v1/compare/claude-opus-5-5-xhigh/gpt-5-4?format=md · llms.txt · agent skill