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

GPT-5.4 (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.

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 (Xhigh)GPT-5.5 (Low)Difference
Intelligence (higher is better)39.030.7−21.3% GPT-5.5 (Low) is 21.3% less intelligent
Total AA cost (lower is better)Not reportedNot reported— not comparable
End-to-end time (lower is better)144.15s8.15s−94.3% GPT-5.5 (Low) is 94.3% faster
Price per 1M tokens (in / out)$2.50 / $15.0$5.00 / $30.0
Input modalitiesText, ImageText, Image
Matchup

Compare something else

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