Claude Opus 4.5 (Reasoning) vs DeepSeek V3 (Dec '24)

Claude Opus 4.5 (Reasoning) vs DeepSeek V3 (Dec '24). 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 V3 (Dec '24)Off the frontier
Intelligence
8.50
Total cost
$25.4
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 V3 (Dec '24)Difference
Intelligence (higher is better)29.18.5−70.8% DeepSeek V3 (Dec '24) is 70.8% less intelligent
Total AA cost (lower is better)Not reported$25.37— not comparable
End-to-end time (lower is better)23.23s13.85s−40.4% DeepSeek V3 (Dec '24) is 40.4% faster
Price per 1M tokens (in / out)$5.00 / $25.0$0.32 / $0.89
Input modalitiesText, ImageText
Open this matchup in the interactive pickerClaude Opus 4.5 (Reasoning): what beats itDeepSeek V3 (Dec '24): 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-v3 · Markdown: /api/v1/compare/claude-opus-4-5-thinking/deepseek-v3?format=md · llms.txt · agent skill