The AI company’s newest public model was met with strong backlash over stringent safety rules and refusals to help users, though others described the measures as “reasonable.”

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…

The leading AI company says the new model is similar to the Mythos model previewed in April but safe for general use.

Fable 5 is the first Anthropic Mythos model released for public use.