Jacob Coxon

Former pretraining researcher, Anthropic

The researcher who quit the careful lab and said so loudly. His exit note reframed a market story as a safety one — and the money did not blink.

Snapshot

Known for

Resigning from Anthropic with a public warning that the labs are “gambling with our lives.”

Featured · Policy & Labor

A Senate proposal could protect coordinated safety delays. It would also shield the government notices explaining them from public records requests.

September 11, 2026 · 3 min read