Source record

Published by LangChain Blog (T1.5 source). The original is at https://www.langchain.com/blog/deep-agents-vs-langchain-vs-langgraph.

Pipeline notes

The summary and note below are generated by the signal pipeline — they are Beyond Desk’s reading, not quotations from the source.

LangChain's blog post describes its three-layer open source agent stack: LangGraph as a runtime, LangChain as a framework, and Deep Agents as a harness with opinionated context engineering defaults, all composable to allow different levels of control.

Clarifies how three LangChain-stack components differ in abstraction and control, useful for picking the right layer for an agent build.

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