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Anthropic's Claude Fable 5.1 Tops Every Frontier Model but Costs 20% More

Independent evaluations put Anthropic's new flagship at the top of the intelligence charts, but the win comes with a token-count tax that eats the cache savings.

Anthropic's Claude Fable 5.1 Tops Every Frontier Model but Costs 20% More
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Artificial Analysis
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AlphaSignal Newsroom
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1 min read

Independent evaluations put Anthropic's new flagship at the top of the intelligence charts, but the win comes with a token-count tax that eats the cache savings.

Reporting is indexed from AlphaSignal. Rights remain with the original publisher and cited sources.

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