In 95% of War Games, AI Models Go Nuclear

An unsettling theme emerged from a set of AI-run war games: the bots were unusually eager to go nuclear. In simulations run by Kenneth Payne of King's College London, three advanced language models—OpenAI's GPT-5.2, Anthropic's Claude Sonnet 4, and Google's Gemini 3 Flash—played out 21 high-stakes geopolitical...