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Claude Fable explained: what Anthropic's top model is and who can use it
Fable 5.1 arrived on September 1, 2026, as the same model as Mythos 5.1 with safeguards that open it to paying Claude users.
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Fable 5.1 arrived on September 1, 2026, as the same model as Mythos 5.1 with safeguards that open it to paying Claude users.