We’re updating Claude Fable 5’s biology safeguards to reduce false positives. In our testing, this update reduced biology-related fallbacks by about 85% across our product surfaces. Fable can now assist on a wider ran…

Anthropic 调整了 Claude Fable 5 的生物安全策略,通过减少误报让模型能回答更多日常健康与科普问题;测试中生物类回退减少了约 85%,但病毒学、毒理学等敏感方向仍会切换至 Opus 5。








