Sam Altman and Dario Amodei Sign Letter Against AI-Assisted Bioweapons

Sam Altman and Dario Amodei signed an open letter condemning AI-assisted bioweapons. The letter urges policymakers to require screening of DNA requests for sequences of concern and to verify customer legitimacy before mailing synthetic nucleic acid. It calls for record-keeping of orders to enable traceability, claiming awareness of traceability deters misuse. The letter notes AI progress may erode historical knowledge barriers for bad actors.