ia5.7 %Anthropic's Claude Fable 5: double cost for 5.7% performance gains

Anthropic's Claude Fable 5: double cost for 5.7% performance gains

Claude Fable 5 scores 64.9 points on the Artificial Analysis Intelligence Index and sets records on 5 out of 10 benchmarks

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≈ 21sSpeed

The fact

Performance improvement over Opus 4.8 is modest (5.7%) while token pricing doubles

Safety filters and fallback routing mechanisms further increase operational costs

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