Claude Fable 5 ships with built-in safety filters that redirect certain queries to an older model. Claude Mythos 5, a second, less restricted version, goes only to govt-vetted partners.

Anthropic has released a full version of its cybersecurity-centric Claude Mythos model—along with a safer version for the general public.

Anthropic is releasing Claude Fable 5, its first Mythos-class model available to the public. The model comes with guardrails that block responses in high-risk areas like…