YC Labs Runs GPT-6.1 Multi-Agent Swarms in Open Game Worlds
YC Labs, in partnership with Olam Labs, ran experiments deploying swarms of up to 50 GPT-6.1 agents in Minecraft and Mindustry, observing emergent coordination behaviours including spontaneous role specialisation, hierarchy formation, and resource governance under scarcity. For defenders, this represents rare empirical data on how multi-agent systems self-organise at scale — behaviours that underpin both beneficial agentic deployments and misuse scenarios that security teams must anticipate. Residual gaps remain around formalised behavioural taxonomies, adversarial resilience testing, and translating sandbox observations into production-grade monitoring signatures.