LangGraph vs Microsoft Agent Framework: Design Your State First, or Discover It Later

At some point in building an agentic system, you will hit the same wall. An agent workflow needs to pause, wait for a human decision, and resume. The implementation seems straightforward but then you realise: what happens to the state during the pause? Where does it live? Who owns it? How does the resumed execution know what it was doing? That question is where LangGraph and Microsoft Agent Framework make fundamentally different architectural choices. Everything else, the feature comparison, the