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

> Anthropic loosens Fable 5's biology restrictions but keeps the guardrails on for virology and toxicology Anthropic has cut false positives in its biology safety filters for Fable 5 by about 85 percent.

- **Source:** [The-decoder](https://the-decoder.com/anthropic-loosens-fable-5s-biology-restrictions-but-keeps-the-guardrails-on-for-virology-and-toxicology/?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=6a76231dc9665fb377bf209e)
- **Published:** 2026-08-07
- **Category:** AI & Bots
- **Tags:** #chatgpt #anthropic #ai
- **Canonical:** http://localhost:4321/a/6a76231dc9665fb377bf209e

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_GearOpen's distilled summary. The full original article is published at The-decoder (source link above); GearOpen does not republish the source's full text._