DeepSeek V4.1 Flash (Max) vs Step 3.5 Flash

DeepSeek V4.1 Flash (Max) vs Step 3.5 Flash. A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

DeepSeekDeepSeek V4.1 Flash (Max)Off the frontier
Intelligence
39.50
Total cost
$672
StepFunStep 3.5 FlashNot ranked · benchmark data missing
Intelligence
16.60
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 V4.1 Flash (Max)Step 3.5 FlashDifference
Intelligence (higher is better)39.516.6−58.0% Step 3.5 Flash is 58.0% less intelligent
Total AA cost (lower is better)$671.96Not reported— not comparable
End-to-end time (lower is better)15.00s19.80s+32.0% Step 3.5 Flash is 32.0% slower
Price per 1M tokens (in / out)$0.29 / $1.20$0.10 / $0.30
Input modalitiesText, ImageText
Open this matchup in the interactive pickerDeepSeek V4.1 Flash (Max): what beats itStep 3.5 Flash: what beats it
Matchup

Compare something else

Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/deepseek-v4-1-flash/step-3-5-flash-0202 · Markdown: /api/v1/compare/deepseek-v4-1-flash/step-3-5-flash-0202?format=md · llms.txt · agent skill