Anthropic
Claude Fable 5
VS
xAI
Grok 4.20
Decision Recommendation
⚖️ Trade-off decision: Choose Claude Fable 5 if you need the absolute highest accuracy for complex logic and coding. Choose Grok 4.20 if you want to optimize your budget, as it is 6.7x cheaper.
Model Specs
Claude Fable 5
Benchmarks & Scores
Coding (swe-bench-pro)Winner (+28.5%)
80.3%Reasoning (gpqa-diamond)Winner (+4.1%)
94.1%Cost & Performance
Cost (per 1M tokens)
$20.00Input: $10.00 | Output: $50.00Speed
60.3 tpsContext Window
1M tokensModel Specs
Grok 4.20
Benchmarks & Scores
Coding (swe-bench-pro)
51.8%Reasoning (gpqa-diamond)
90%Cost & Performance
Cost (per 1M tokens)6.7x cheaper
$3.00Input: $2.00 | Output: $6.00Speed3.9x faster
233 tpsContext Window
1M tokensWant to customize weights or add more models?
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