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Anthropic Researcher Quits and Warns AI Could “Kill Us All” by the End of the Decade

Former Anthropic and OpenAI researcher Jacob Coxon has resigned, warning that the race toward increasingly powerful AI could put humanity at risk.

Sep 14, 2026 · 1 min read · 109 views

Anthropic Researcher Quits and Warns AI Could “Kill Us All” by the End of the Decade

“Why did an AI researcher who worked at both OpenAI and Anthropic decide to walk away?”

Coxon says both companies are moving too quickly toward self-improving AI systems and that the race to build increasingly powerful models is outpacing safety efforts. His posts reportedly attracted more than 100 million views, turning him into one of the most visible voices in the current AI-safety debate.

The story becomes even more interesting because Evan Hubinger, an Anthropic alignment researcher, publicly agreed with Coxon's concerns and said he personally believes there is a greater than 10% chance that superintelligent AI could kill all humans within the next decade.

And now the issue has moved beyond the AI industry: U.S. lawmakers are calling for stronger AI regulation, while Anthropic CEO Dario Amodei has called for a slowdown in frontier AI development.

Yes. Here is the original X post from Jacob Coxon (@hilbertspaess):

Jacob Coxon’s original X post

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