Claude Fable 5 (Max, Opus 4.8 Fallback) vs DeepSeek V3.1 (Reasoning)

Claude Fable 5 (Max, Opus 4.8 Fallback) 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 Fable 5 (Max, Opus 4.8 Fallback)Off the frontier
Intelligence
49.60
Total cost
$11161
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 Fable 5 (Max, Opus 4.8 Fallback)DeepSeek V3.1 (Reasoning)Difference
Intelligence (higher is better)49.613.5−72.8% DeepSeek V3.1 (Reason… is 72.8% less intelligent
Total AA cost (lower is better)$11,160.86Not reported— not comparable
End-to-end time (lower is better)85.37s22.35s−73.8% DeepSeek V3.1 (Reason… is 73.8% faster
Price per 1M tokens (in / out)$10.0 / $50.0$0.58 / $1.68
Input modalitiesText, ImageText
Open this matchup in the interactive pickerClaude Fable 5 (Max, Opus 4.8 Fallback): 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-fable-5/deepseek-v3-1-reasoning · Markdown: /api/v1/compare/claude-fable-5/deepseek-v3-1-reasoning?format=md · llms.txt · agent skill