Anthropic Launches Claude Fable 5, Its First Public Mythos-Class Model
… Anthropic is also releasing Claude Mythos 5 for a small group of cyberdefenders and infrastructure providers. It uses the same underlying model as Fable 5, but with some of the safeguards lifted. Mythos 5 is being deployed through Project Glasswing as an upgrade to the Claude Mythos Preview. …