AI & Tools
Claude Fable 5.1 Checked: What the Numbers Really Say
Anthropic leads nine benchmarks, independent runs are much closer. What Claude Fable 5.1 delivers, what it costs and when Opus 5 is enough.
14 min read
Mijo Jurisic
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Anthropic leads nine benchmarks, independent runs are much closer. What Claude Fable 5.1 delivers, what it costs and when Opus 5 is enough.
An August date, unchanged prices: I traced the sources. What is actually proven about Claude Fable 5.1 and how to spot a real leak.