LangChain

Master LangChain: the most popular LLM application framework. Learn LCEL, chains, retrievers, memory, and the patterns for production LangChain apps.

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6
Lessons
💻
Code Examples
✅
Production-Ready
100%
Free

Lessons in This Topic

Work through these 6 lessons in order, or jump to whichever topic you need most.

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LangChain Overview

Beginner
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LCEL: LangChain Expression Language

Intermediate
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Retrievers and Vector Stores

Intermediate
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Memory in LangChain

Intermediate
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Tools and Agents

Advanced
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LangChain in Production

Advanced