DeepSeek V4.1 Flash (Max) vs Qwen3.5 4B (Reasoning)

DeepSeek V4.1 Flash (Max) vs Qwen3.5 4B (Reasoning). 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
AlibabaQwen3.5 4B (Reasoning)Not ranked · benchmark data missing
Intelligence
13.10
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)Qwen3.5 4B (Reasoning)Difference
Intelligence (higher is better)39.513.1−66.8% Qwen3.5 4B (Reasoning) is 66.8% less intelligent
Total AA cost (lower is better)$671.96Not reported— not comparable
End-to-end time (lower is better)15.00s133.36s+789.1% Qwen3.5 4B (Reasoning) is 789.1% slower
Price per 1M tokens (in / out)$0.29 / $1.20$0.03 / $0.15
Input modalitiesText, ImageText, Image, Video
Open this matchup in the interactive pickerDeepSeek V4.1 Flash (Max): what beats itQwen3.5 4B (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/deepseek-v4-1-flash/qwen3-5-4b · Markdown: /api/v1/compare/deepseek-v4-1-flash/qwen3-5-4b?format=md · llms.txt · agent skill