One-Shot Brains, Fewer Mouths: When Multi-Agent Systems Learn to Stop Talking
Meetings are expensive because people talk. Multi-agent AI systems have discovered the same problem, only with tokens instead of coffee. The standard promise sounds attractive: let several LLM agents play different roles, exchange views, debate mistakes, critique each other, and produce a better answer than one lonely model staring into the void. Sometimes this works. It also creates a very modern failure mode: a small committee of agents turns into a transcript factory. Every extra round adds context. Every context window invites more repetition. Every repetition costs money, latency, and occasionally correctness. Artificial intelligence, it turns out, can also suffer from over-management. ...