The Deploy Log | Models and APIs
Fable 5 biology safeguards
Anthropic reduced biology-related fallbacks on Claude Fable 5 by about 85% across product surfaces, so users see far fewer switches to Opus 5 on everyday health and educational questions.
The call on this one
What shipped is free. The call on it, what to do about it and the condition on that, opens with a signup: free, no card, every edition in full.
It becomes $50 a year, and signing up now keeps your first year free.