Gemini 2.5 Flash (Reasoning) vs GPT-5.4 (Xhigh)

Gemini 2.5 Flash (Reasoning) vs GPT-5.4 (Xhigh). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

GoogleGemini 2.5 Flash (Reasoning)Not ranked · benchmark data missing
Intelligence
13.10
Total cost
-
OpenAIGPT-5.4 (Xhigh)Not ranked · benchmark data missing
Intelligence
39.00
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.

MetricGemini 2.5 Flash (Reasoning)GPT-5.4 (Xhigh)Difference
Intelligence (higher is better)13.139.0+197.7% GPT-5.4 (Xhigh) is 3.0× more intelligent
Total AA cost (lower is better)Not reportedNot reported— not comparable
End-to-end time (lower is better)20.54s131.01s+537.8% GPT-5.4 (Xhigh) is 537.8% slower
Price per 1M tokens (in / out)$0.30 / $2.50$2.50 / $15.0
Input modalitiesText, Image, Speech, VideoText, Image
Open this matchup in the interactive pickerGemini 2.5 Flash (Reasoning): what beats itGPT-5.4 (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/gemini-2-5-flash-reasoning/gpt-5-4 · Markdown: /api/v1/compare/gemini-2-5-flash-reasoning/gpt-5-4?format=md · llms.txt · agent skill