Governments are increasingly considering integrating autonomous AI agents in high-stakes military and foreign-policy decision-making. That’s the pithy, dispassionate observation of a recent study from a collective of US universities. So, they set out to discover just how the latest AI models behave when pitched against one another in a range of wargame scenarios. The results were straight out of a Hollywood script, and not in a good way. If you need a clue, the word “escalation” features heavily, as does “nuclear”.