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

Claude Fable 5.1 (Xhigh, Default Fallback) vs GPT-5.4 mini (Medium). 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 (Xhigh, Default Fallback)GPT-5.4 mini (Medium)Difference
Intelligence (higher is better)53.219.7−63.0% GPT-5.4 mini (Medium) is 63.0% less intelligent
Total AA cost (lower is better)$9,063.11Not reported— not comparable
End-to-end time (lower is better)108.69s8.98s−91.7% GPT-5.4 mini (Medium) is 91.7% faster
Price per 1M tokens (in / out)$10.0 / $50.0$0.75 / $4.50
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-xhigh/gpt-5-4-mini-medium · Markdown: /api/v1/compare/claude-fable-5-1-xhigh/gpt-5-4-mini-medium?format=md · llms.txt · agent skill