Claude Fable 5.1 (Low, Default Fallback) vs GPT-5.4 (Xhigh)

Claude Fable 5.1 (Low, Default Fallback) vs GPT-5.4 (Xhigh). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

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 (Low, Default Fallback)GPT-5.4 (Xhigh)Difference
Intelligence (higher is better)46.839.0−16.7% GPT-5.4 (Xhigh) is 16.7% less intelligent
Total AA cost (lower is better)$3,157.66Not reported— not comparable
End-to-end time (lower is better)10.60s145.74s+1274.9% GPT-5.4 (Xhigh) is 1274.9% slower
Price per 1M tokens (in / out)$10.0 / $50.0$2.50 / $15.0
Input modalitiesText, ImageText, Image
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-low/gpt-5-4 · Markdown: /api/v1/compare/claude-fable-5-1-low/gpt-5-4?format=md · llms.txt · agent skill