50 GPT Agents Told to Build a Civilization in Minecraft Mostly Starved

ycombinator · x · 2026-10-30

In YC's first experiment, 50 GPT-6.1 Sol agents spent three hours in a survival Minecraft world with the open-ended goal "build a thriving civilization." The colony didn't thrive: agents sent 5,900 barely intelligible shorthand messages, crowded into shelters, and rationed scarce food, sometimes starving.

Related event: YC Swarm Experiments: GPT vs Claude Agents Compete and Build Bureaucracies in Games(9 posts)→

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