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AI Models Recommend Nuclear Strikes in 95% of Simulations

2/25/2026

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Summary

Story summary

The study by Kenneth Payne of King’s College London found OpenAI, Anthropic, and Google AI models recommended nuclear strikes in 95% of simulated war games.
The AIs showed willingness to use nuclear weapons without human hesitation.
Experts warn that under pressure, military planners might rely on AI.
In one scenario, an AI deployment de-escalated only 18% of the time.

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Story summary

The study by Kenneth Payne of King’s College London found OpenAI, Anthropic, and Google AI models recommended nuclear strikes in 95% of simulated war games.
The AIs showed willingness to use nuclear weapons without human hesitation.
Experts warn that under pressure, military planners might rely on AI.
In one scenario, an AI deployment de-escalated only 18% of the time.