Claude Fable 5.1 (Max, Default Fallback) vs Grok 4 Fast (Reasoning)
Claude Fable 5.1 (Max, Default Fallback) vs Grok 4 Fast (Reasoning). 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.
| Metric | Claude Fable 5.1 (Max, Default Fallback) | Grok 4 Fast (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 53.4 | 17.9 | −66.5% Grok 4 Fast (Reasonin… is 66.5% less intelligent |
| Total AA cost (lower is better) | $13,128.86 | Not reported | — not comparable |
| End-to-end time (lower is better) | 201.72s | Not reported | — not comparable |
| Price per 1M tokens (in / out) | $10.0 / $50.0 | $0.20 / $0.50 | |
| Input modalities | Text, Image | Text, Image |
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-fable-5-1/grok-4-fast-reasoning · Markdown: /api/v1/compare/claude-fable-5-1/grok-4-fast-reasoning?format=md · llms.txt · agent skill