Claude Opus 4.5 (Reasoning) vs DeepSeek V4 Flash 0731 (Max)

Claude Opus 4.5 (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.

AnthropicClaude Opus 4.5 (Reasoning)Not ranked · benchmark data missing
Intelligence
29.10
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.

MetricClaude Opus 4.5 (Reasoning)DeepSeek V4 Flash 0731 (Max)Difference
Intelligence (higher is better)29.134.3+17.9% DeepSeek V4 Flash 073… is 17.9% more intelligent
Total AA cost (lower is better)Not reported$199.63— not comparable
End-to-end time (lower is better)24.17s17.94s−25.8% DeepSeek V4 Flash 073… is 25.8% faster
Price per 1M tokens (in / out)$5.00 / $25.0$0.14 / $0.28
Input modalitiesText, ImageText
Open this matchup in the interactive pickerClaude Opus 4.5 (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/claude-opus-4-5-thinking/deepseek-v4-flash · Markdown: /api/v1/compare/claude-opus-4-5-thinking/deepseek-v4-flash?format=md · llms.txt · agent skill