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Jacob Coxon

Facts

Announced
resigned from Anthropic (resignation) · 2026-09-10
Noted
criticized OpenAI and Anthropic for racing toward self-improving superintelligence · 2026-09-10

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1h ago

Anthropic Researcher Resigns, Warning AI Could Kill All Humans

Jacob Coxon, a former Anthropic researcher, said on X that he resigned on September 8, criticizing OpenAI and Anthropic for racing toward self-improving superintelligence. Evan Hubinger, who leads AI alignment research at Anthropic, replied that Coxon is correct and put his own estimate at over 10 percent within the next decade. Senator Bernie Sanders and Representative Greg Casar announced a plan on September 3 to submit a bill banning superintelligence.