Claude Haiku 5.5 (Medium) vs DeepSeek V3.1 (Reasoning)

Claude Haiku 5.5 (Medium) vs DeepSeek V3.1 (Reasoning). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

AnthropicClaude Haiku 5.5 (Medium)On the frontier
Intelligence
34.50
Total cost
$56.4
DeepSeekDeepSeek V3.1 (Reasoning)Not ranked · benchmark data missing
Intelligence
13.50
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.

MetricClaude Haiku 5.5 (Medium)DeepSeek V3.1 (Reasoning)Difference
Intelligence (higher is better)34.513.5−60.9% DeepSeek V3.1 (Reason… is 60.9% less intelligent
Total AA cost (lower is better)$56.36Not reported— not comparable
End-to-end time (lower is better)10.41s23.64s+127.1% DeepSeek V3.1 (Reason… is 127.1% slower
Price per 1M tokens (in / out)$0.10 / $0.50$0.58 / $1.68
Input modalitiesText, ImageText
Open this matchup in the interactive pickerClaude Haiku 5.5 (Medium): what beats itDeepSeek V3.1 (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/claude-haiku-5-5-medium/deepseek-v3-1-reasoning · Markdown: /api/v1/compare/claude-haiku-5-5-medium/deepseek-v3-1-reasoning?format=md · llms.txt · agent skill