Jacob Coxon quits Anthropic before equity vests over AI risk
The 27-year-old pretraining researcher worked at OpenAI and Anthropic, then publicly accused both labs of racing toward self-improving systems.
By RuntimeWire Staff · Published
Primary source: The New York Times
Why it matters
Coxon's public resignation turns frontier-AI risk into a talent and governance problem for Anthropic: he forfeited unvested equity without alleging a current safety breach, warning instead that future competitive pressure could erode oversight.
Jacob Coxon resigned from Anthropic on September 8th, about two months before his equity would have vested, he told Axios. He left after four months at the company and before any of his equity vested.
In a public statement, Coxon accused Anthropic and OpenAI of moving too quickly toward systems humans may be unable to control. The post described them as "racing straight to self-improving superintelligence."…
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