Expert forecasters put AI human-extinction risk at 1.5% by 2037 absent US policy action

NathanpmYoung · x · 2026-09-12

The Swift Center, at UnHerd's request, polled its team of world-leading forecasters on the probability of AI causing human extinction by January 1, 2037, absent a substantive US policy response. Their mean prediction: 1.5%.

Tom Ough's take: a figure higher than the odds of your car failing to start tomorrow still feels uncomfortably high.

Context: the piece sits amid Silicon Valley's latest doom wars — Anthropic researcher Jacob Coxon's dramatic resignation accusing both OpenAI and Anthropic of "racing straight to self-improving superintelligence and gambling with our lives," public agreement from former colleagues like alignment lead Evan Hubinger, and political fallout — alongside skeptics who argue such warnings serve to inflame investor and public anxiety toward favorable regulation.

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