Anthropic introduced Claude Fable 5 and Claude Mythos 5, enhancing capabilities while addressing security concerns with a safer version for broader public access.

Anthropic launched Claude Fable 5 on Tuesday, a Mythos-class model with safeguards blocking cybersecurity and biology queries, priced at $10 per million input tokens.

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