Multi-Agent Systems: Coordinating AI Agents for Complex Tasks

System Design Deep Dive - of 20 | This is part of a 20-post series covering the most critical system design topics. Follow to get the next one. ChatGPT can write code. But can it research a problem, write the implementation, review its own code for bugs, write tests, fix what fails, and document the result? Not reliably in one shot. This is why companies like Cognition (Devin), Factory AI, and Microsoft (AutoGen) are building multi-agent systems -- specialized AI agents that collaborate like a human engineering team.