kapynAI / Models

Anthropic loosens Fable 5's biology restrictions but keeps the guardrails on for virology and toxicology

Anthropic cuts false positives in Fable 5's biology safety filters by 85 percent. Routine biology queries no longer trigger unnecessary blocks or require rerouting to Opus 5, while core guardrails for sensitive topics like virology and toxicology remain active. This update significantly improves the developer experience and model usability for legitimate life sciences research.

The Decoder·Aug 7, 2026

Opening Kapyn…