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    Anthropic Releases Claude Fable 5, Its First Mythos-Class Model for General Users

    Anthropic Releases Claude Fable 5, Its First Mythos-Class Model for General Users

    Anthropic is also introducing Claude Mythos 5, a version of the model with some safeguards removed for select cybersecurity and life sciences researchers.

    Anthropic Releases Claude Fable 5, Its First Mythos-Class Model for General Users
    Siddharth Jindal··Updated OCTOBER 18, 2026, 1:46 AM