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Technology & AIJun 29, 2026

Anthropic Restores Access to Mythos 5 Cybersecurity Model

Access to its strongest cybersecurity model is restored to organizations operating critical infrastructure following government notification while Fable 5 evaluation continues.

Anthropic announced it is restoring access to Mythos 5, its strongest cybersecurity model, to select US organizations operating critical infrastructure following government notification. Access to Fable 5 for general use continues to be evaluated.

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