Claude Fable 5.1 (Medium, Default Fallback) vs DeepSeek V3.1 Terminus (Non-reasoning)

Claude Fable 5.1 (Medium, Default Fallback) vs DeepSeek V3.1 Terminus (Non-reasoning). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

AnthropicClaude Fable 5.1 (Medium, Default Fallback)Off the frontier
Intelligence
48.90
Total cost
$3983
DeepSeekDeepSeek V3.1 Terminus (Non-reasoning)Not ranked · benchmark data missing
Intelligence
13.90
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 Fable 5.1 (Medium, Default Fallback)DeepSeek V3.1 Terminus (Non-reasoning)Difference
Intelligence (higher is better)48.913.9−71.6% DeepSeek V3.1 Terminu… is 71.6% less intelligent
Total AA cost (lower is better)$3,983.28Not reported— not comparable
End-to-end time (lower is better)18.10s7.37s−59.3% DeepSeek V3.1 Terminu… is 59.3% faster
Price per 1M tokens (in / out)$10.0 / $50.0$0.27 / $1.00
Input modalitiesText, ImageText
Open this matchup in the interactive pickerClaude Fable 5.1 (Medium, Default Fallback): what beats itDeepSeek V3.1 Terminus (Non-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-fable-5-1-medium/deepseek-v3-1-terminus · Markdown: /api/v1/compare/claude-fable-5-1-medium/deepseek-v3-1-terminus?format=md · llms.txt · agent skill