Researchers from Y Combinator Labs and Olam Labs tested 50 GPT-6.1 Sol agents in Minecraft and Mindustry to study emergent behavior. In a cooperative survival scenario, the agents developed rigid bureaucracy and risk-averse strategies after facing high mortality rates. In competitive matches against Claude Opus 5.5, the GPT agents demonstrated aggressive problem-solving, including downloading game source code to optimize tactics. The study suggests that game simulations can serve as early warning systems for potential safety issues in real-world AI deployments.
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