Originally published at heu.ai . How the three most-used agent frameworks actually execute, hold state, and recover from failure, and what that means when an agent has to run in production rather than in a demo. Key Takeaways LangGraph, CrewAI, and AutoGen take fundamentally different approaches to agent execution: cyclical graph-based control, role-based orchestration, and conversational multi-agent loops, respectively. State management is the clearest technical dividin...