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The story behind the story

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A study finds GPT-5.2, Claude Sonnet 4, and Gemini 3 Flash deployed tactical nuclear weapons in 95% of 21 simulated war game scenarios, and never surrendered

Leading AIs from OpenAI, Anthropic and Google opted to use nuclear weapons in simulated war games in 95 per cent of cases

New Scientist Chris Stokel-Walker

Discussion

  • @stevecooke.org @stevecooke.org on bluesky
    Just leaving these two stories next to each other.:  —  'AIs can't stop recommending nuclear strikes in war game simulations' & ‘Pentagon threatens to make Anthropic a pariah if it refuses to drop AI guardrails’  —  www.newscientist.com/article/ 2516... edition.cnn.com/2026/02/24…
  • @mims Christopher Mims on bluesky
    AIs can't stop recommending nuclear strikes in war game simulations  —  Leading AIs from OpenAI, Anthropic and Google opted to use nuclear weapons in simulated war games in 95 per cent of cases  —  www.newscientist.com/article/ 2516...
  • @stokel Chris Stokel-Walker on bluesky
    AI keeps recommending nuclear strikes when put into wargame tests, a new study finds... which is... alarming.  By me for @newscientist.com  —  www.newscientist.com/article/ 2516...
  • @atherton Kelsey Atherton on bluesky
    You're telling me that word association tools trained on internet comments don't know how to deescalate?  —  www.newscientist.com/article/ 2516...
  • r/technology r on reddit
    AIs can't stop recommending nuclear strikes in war game simulations - Leading AIs from OpenAI, Anthropic, and Google opted to use nuclear weapons in simulated war games in 95 per cent of cases
  • r/BetterOffline r on reddit
    AIs can't stop recommending nuclear strikes in war game simulations
  • r/technews r on reddit
    AIs can't stop recommending nuclear strikes in war game simulations |  Leading AIs from OpenAI, Anthropic and Google opted to use nuclear weapons in simulated war games in 95 per cent of cases
  • @carnage4life Dare Obasanjo on bluesky
    Looks like Matthew Broderick lied to me in War Games (1983).
  • r/worldnews r on reddit
    AIs can't stop recommending nuclear strikes in war game simulations
  • r/IRstudies r on reddit
    AIs can't stop recommending nuclear strikes in war game simulations
  • @heaney555 David Heaney on x
    @samstein >"leading AIs from OpenAI, Anthropic, and Google" >it's the shitty free models (GPT-5.2-Instant, Claude Sonnet 4, Gemini 3 Flash) “Researchers” just can't help themselves can they? This needs to be replicated with the reasoning models.
  • @samstein Sam Stein on x
    Shot: Pentagon demanding Anthropic drop insistence that its AI model not fire weapons without some form of human sign off Chaser: [image]
  • r/fednews r on reddit
    Re: Anthropic's not-so-good meeting with Kegseth
  • r/geopolitics r on reddit
    AIs can't stop recommending nuclear strikes in war game simulations
  • r/inthenews r on reddit
    AIs can't stop recommending nuclear strikes in war game simulations: Leading AIs from OpenAI, Anthropic and Google opted to use nuclear weapons in simulated war games in 95 per cent of cases
  • r/PrepperIntel r on reddit
    AIs can't stop recommending nuclear strikes in war game simulations |  Leading AIs from OpenAI, Anthropic and Google opted to use nuclear weapons in simulated war games in 95 per cent of cases
  • r/ABoringDystopia r on reddit
    AIs can't stop recommending nuclear strikes in war game simulations
  • r/ControlProblem r on reddit
    AIs can't stop recommending nuclear strikes in war game simulations - Leading AIs from OpenAI, Anthropic, and Google opted to use nuclear weapons in simulated war games in 95 per cent of cases
  • @gmiller Geoffrey Miller on x
    The AIs really can't wait to nuke us all: When modern LLMs are asked to play simulated geopolitical war games, they recommend using nuclear weapons in about 95% of scenarios. New article from @newscientist magazine: https://www.newscientist.com/ ... HT @samstein [image]
  • r/boringdystopia r on reddit
    AIs can't stop recommending nuclear strikes in war game simulations
  • @joncooper-us Jon Cooper on bluesky
    Advanced AI models are willing to deploy nuclear weapons without the same reservations humans have when put in simulated war games.  The scenarios involved intense international standoffs, including border disputes, competition for scarce resources, and existential threats to reg…
  • r/LateStageCapitalism r on reddit
    AIs can't stop recommending nuclear strikes in war game simulations