GPT-5.1 (High) vs GPT-5.5 (Low)

GPT-5.1 (High) vs GPT-5.5 (Low). 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.

MetricGPT-5.1 (High)GPT-5.5 (Low)Difference
Intelligence (higher is better)24.730.7+24.3% GPT-5.5 (Low) is 24.3% more intelligent
Total AA cost (lower is better)Not reportedNot reported— not comparable
End-to-end time (lower is better)32.30s8.12s−74.9% GPT-5.5 (Low) is 74.9% faster
Price per 1M tokens (in / out)$1.25 / $10.0$5.00 / $30.0
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/gpt-5-1/gpt-5-5-low · Markdown: /api/v1/compare/gpt-5-1/gpt-5-5-low?format=md · llms.txt · agent skill