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LangGraph vs LangChain: What Is the Difference?

This story is from 2026-10-07. It is preserved in the archive; the latest stories are on the live feed.

Short answer: LangChain gives you high-level building blocks and a ready-made agent. LangGraph is the low-level orchestration runtime for stateful, controllable workflows. LangChain's agent runs on LangGraph under the hood. Let's see the difference in code. LangChain: a tool-using agent in a few li…

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  1. 2026-10-07 01:25 · DEV Community — AI
    LangGraph vs LangChain: What Is the Difference?

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