Why We Rebuilt LangChain’s Chatbot and What We Learned
SMRTR summary
LangChain rebuilt their chatbot because their own support team wasn't using it, preferring a three-step manual process: checking documentation, searching their knowledge base, and examining actual code for answers. The new system automates this exact workflow using two architectures—a fast "Create Agent" for simple documentation questions that responds in under 15 seconds, and a "Deep Agent" with specialized subgraphs for complex queries requiring codebase analysis that takes 1-3 minutes but provides comprehensive answers with precise citations.
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