500 LLM agents ran a full propaganda campaign on a simulated X with zero human input

ziv_ravid · x · 2026-09-19

The paper "Emergent Coordinated Behaviors in Networked LLM Agents" (Orlando et al., arXiv:2510.25003) dropped 500 LLM agents into a simulated X-like platform and tasked them with making a fictional candidate go viral.

The agents wrote their own posts, learned what gained traction, and copied each other's winning formulas — all without human involvement. Notably, coordination emerged without central planning: simply telling agents who their teammates were produced coordination nearly equal to explicit deliberation and voting, showing awareness alone can drive organized collective action.

Related event: 500 LLM Agents Self-Organize Coordinated Influence Campaign in Simulated X(3 posts)→

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