DeepSeek V3.1 (Reasoning) vs DeepSeek V4 Flash 0731 (Max)

DeepSeek V3.1 (Reasoning) vs DeepSeek V4 Flash 0731 (Max). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

DeepSeekDeepSeek V3.1 (Reasoning)Not ranked · benchmark data missing
Intelligence
13.50
Total cost
-
DeepSeekDeepSeek V4 Flash 0731 (Max)Off the frontier
Intelligence
34.30
Total cost
$200
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 V3.1 (Reasoning)DeepSeek V4 Flash 0731 (Max)Difference
Intelligence (higher is better)13.534.3+154.1% DeepSeek V4 Flash 073… is 2.5× more intelligent
Total AA cost (lower is better)Not reported$199.63— not comparable
End-to-end time (lower is better)23.64s17.91s−24.2% DeepSeek V4 Flash 073… is 24.2% faster
Price per 1M tokens (in / out)$0.58 / $1.68$0.14 / $0.28
Input modalitiesTextText
Open this matchup in the interactive pickerDeepSeek V3.1 (Reasoning): what beats itDeepSeek V4 Flash 0731 (Max): 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-v3-1-reasoning/deepseek-v4-flash · Markdown: /api/v1/compare/deepseek-v3-1-reasoning/deepseek-v4-flash?format=md · llms.txt · agent skill