Claude 4.5 Sonnet (Non-reasoning) vs Claude Fable 5.1 (Max, Default Fallback)

Claude 4.5 Sonnet (Non-reasoning) vs Claude Fable 5.1 (Max, Default Fallback). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

AnthropicClaude 4.5 Sonnet (Non-reasoning)Not ranked · benchmark data missing
Intelligence
19.30
Total cost
-
AnthropicClaude Fable 5.1 (Max, Default Fallback)Off the frontier
Intelligence
53.40
Total cost
$13129
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 4.5 Sonnet (Non-reasoning)Claude Fable 5.1 (Max, Default Fallback)Difference
Intelligence (higher is better)19.353.4+176.7% Claude Fable 5.1 (Max… is 2.8× more intelligent
Total AA cost (lower is better)Not reported$13,128.86— not comparable
End-to-end time (lower is better)12.54s201.72s+1508.6% Claude Fable 5.1 (Max… is 1508.6% slower
Price per 1M tokens (in / out)$3.00 / $15.0$10.0 / $50.0
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerClaude 4.5 Sonnet (Non-reasoning): what beats itClaude Fable 5.1 (Max, Default Fallback): 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-4-5-sonnet/claude-fable-5-1 · Markdown: /api/v1/compare/claude-4-5-sonnet/claude-fable-5-1?format=md · llms.txt · agent skill