WHY DO WE TAKE LLMS SERIOUSLY AS A POTENTIAL SOURCE OF BIORISK?

Summary from the TLDR AI newsletter

Anthropic details why it implemented ASL-3 safety protections against biological weapons development, noting Claude now exceeds expert performance on virology evaluations, and controlled trials showed significant uplift with Opus 4 for acquiring bioweapons compared to using just the open internet. It's obviously a low-probability risk, but the impact is so high — just one infraction could mean thousands of deaths — that it still requires serious evaluation and restriction.