biosecurity
2 published articles
Anthropic / Claude4 min read
AI Safety
Claude Fable 5's biology fallbacks drop 85% as Anthropic eases safeguards
Anthropic cut Claude Fable 5's biology-related fallbacks by about 85% after retraining its safety classifier. Ordinary health and education queries now reach the full model more often, but virology, toxicology, and molecular design still route to Opus 5.
2026-08-10
AI3 min read
Biosafety Benchmarks
The 50 percent ceiling on AI pathogen surveillance that should keep us up at night
BioSecBench-Surveillance tested sixteen AI agent configurations on 100 genomic surveillance tasks. The top performers managed only about 50 percent accuracy. The mistakes came not from picking the wrong workflow but from the surrounding choices - references, thresholds, filters - that humans take for granted.
2026-07-25