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

GPT-5.4 (Low) vs GPT-5.5 (Xhigh). 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 (Low)Not ranked · benchmark data missing
Intelligence
27.60
Total cost
-
OpenAIGPT-5.5 (Xhigh)Off the frontier
Intelligence
38.40
Total cost
$5294
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 (Low)GPT-5.5 (Xhigh)Difference
Intelligence (higher is better)27.638.4+39.1% GPT-5.5 (Xhigh) is 39.1% more intelligent
Total AA cost (lower is better)Not reported$5,294.36— not comparable
End-to-end time (lower is better)9.06s55.87s+516.7% GPT-5.5 (Xhigh) is 516.7% slower
Price per 1M tokens (in / out)$2.50 / $15.0$5.00 / $30.0
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerGPT-5.4 (Low): what beats itGPT-5.5 (Xhigh): 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-low/gpt-5-5 · Markdown: /api/v1/compare/gpt-5-4-low/gpt-5-5?format=md · llms.txt · agent skill