GPT-5.4 mini (Xhigh) vs GPT-5.5 (Low)

GPT-5.4 mini (Xhigh) 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.

OpenAIGPT-5.4 mini (Xhigh)Off the frontier
Intelligence
24.10
Total cost
$1524
OpenAIGPT-5.5 (Low)Not ranked · benchmark data missing
Intelligence
30.70
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.

MetricGPT-5.4 mini (Xhigh)GPT-5.5 (Low)Difference
Intelligence (higher is better)24.130.7+27.4% GPT-5.5 (Low) is 27.4% more intelligent
Total AA cost (lower is better)$1,524.02Not reported— not comparable
End-to-end time (lower is better)109.06s8.12s−92.6% GPT-5.5 (Low) is 92.6% faster
Price per 1M tokens (in / out)$0.75 / $4.50$5.00 / $30.0
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerGPT-5.4 mini (Xhigh): what beats itGPT-5.5 (Low): what beats it
Matchup

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Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-4-mini/gpt-5-5-low · Markdown: /api/v1/compare/gpt-5-4-mini/gpt-5-5-low?format=md · llms.txt · agent skill