Shared State vs Isolated State: The Architectural Decision That Defines Your AI Agents

When you build a multi-agent system, you aren't just writing code; you are designing a digital brain. The most critical decision you make in this process isn't which Large Language Model (LLM) to use - it’s how you manage the State. Think of state as the central nervous system of your AI workflow. It’s the collective memory, the shared reality, and the communication backbone that evolves with every step an agent takes.