kapynAI / Models

Anthropic apologizes for invisible Claude Fable guardrails

Anthropic apologizes for undisclosed guardrails in Claude Fable 5. The company is now committed to greater transparency regarding restrictions, even if it leads to more query refusals. This change impacts how researchers and developers interact with Anthropic's Mythos class models, which are designed with heightened safety considerations.

The Verge·Jun 11, 2026

Opening Kapyn…