GPT-5.4 (Xhigh) vs Kimi K2.5 (Reasoning)

GPT-5.4 (Xhigh) vs Kimi K2.5 (Reasoning). 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 (Xhigh)Not ranked · benchmark data missing
Intelligence
39.00
Total cost
-
KimiKimi K2.5 (Reasoning)Not ranked · benchmark data missing
Intelligence
23.50
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 (Xhigh)Kimi K2.5 (Reasoning)Difference
Intelligence (higher is better)39.023.5−39.7% Kimi K2.5 (Reasoning) is 39.7% less intelligent
Total AA cost (lower is better)Not reportedNot reported— not comparable
End-to-end time (lower is better)131.01s44.11s−66.3% Kimi K2.5 (Reasoning) is 66.3% faster
Price per 1M tokens (in / out)$2.50 / $15.0$0.60 / $3.00
Input modalitiesText, ImageText, Image, Video
Open this matchup in the interactive pickerGPT-5.4 (Xhigh): what beats itKimi K2.5 (Reasoning): 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/kimi-k2-5 · Markdown: /api/v1/compare/gpt-5-4/kimi-k2-5?format=md · llms.txt · agent skill