Claude Sonnet 4.6 (Non-reasoning, High) vs DeepSeek V4 Flash 0420 (Max)

Claude Sonnet 4.6 (Non-reasoning, High) vs DeepSeek V4 Flash 0420 (Max). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

AnthropicClaude Sonnet 4.6 (Non-reasoning, High)Not ranked · benchmark data missing
Intelligence
24.70
Total cost
-
DeepSeekDeepSeek V4 Flash 0420 (Max)Off the frontier
Intelligence
24.20
Total cost
$149
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.

MetricClaude Sonnet 4.6 (Non-reasoning, High)DeepSeek V4 Flash 0420 (Max)Difference
Intelligence (higher is better)24.724.2−2.0% DeepSeek V4 Flash 042… is 2.0% less intelligent
Total AA cost (lower is better)Not reported$149.48— not comparable
End-to-end time (lower is better)12.45s103.74s+733.3% DeepSeek V4 Flash 042… is 733.3% slower
Price per 1M tokens (in / out)$3.00 / $15.0$0.11 / $0.23
Input modalitiesText, ImageText
Open this matchup in the interactive pickerClaude Sonnet 4.6 (Non-reasoning, High): what beats itDeepSeek V4 Flash 0420 (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/claude-sonnet-4-6/deepseek-v4-flash-0420 · Markdown: /api/v1/compare/claude-sonnet-4-6/deepseek-v4-flash-0420?format=md · llms.txt · agent skill