Building a simple chatbot? LangChain has you covered. But what if you need something more complex—like a deep research assistant that gathers information from multiple sources, evaluates trustworthiness, and generates comprehensive reports? That's where LangGraph comes in.
LangGraph is an extension of LangChain designed specifically for complex, multi-step workflows. It introduces the concept of a state graph, where nodes represent individual units of computation (like functions), and edges define conditional transitions between them. This architecture allows your AI agents to handle loops, branching logic, and shared state management—features that go beyond what LangChain offers out of the box.
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