DeepSeek V4 Flash 0420 (Max) vs GPT-5.4 (Xhigh)

DeepSeek V4 Flash 0420 (Max) 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.

DeepSeekDeepSeek V4 Flash 0420 (Max)Off the frontier
Intelligence
24.20
Total cost
$149
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.

MetricDeepSeek V4 Flash 0420 (Max)GPT-5.4 (Xhigh)Difference
Intelligence (higher is better)24.239.0+61.2% GPT-5.4 (Xhigh) is 61.2% more intelligent
Total AA cost (lower is better)$149.48Not reported— not comparable
End-to-end time (lower is better)116.79s131.01s+12.2% GPT-5.4 (Xhigh) is 12.2% slower
Price per 1M tokens (in / out)$0.11 / $0.23$2.50 / $15.0
Input modalitiesTextText, Image
Open this matchup in the interactive pickerDeepSeek V4 Flash 0420 (Max): 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/deepseek-v4-flash-0420/gpt-5-4 · Markdown: /api/v1/compare/deepseek-v4-flash-0420/gpt-5-4?format=md · llms.txt · agent skill