LangChain Tutorial — One-Page Cheat Sheet

Compose LLM apps: chains, agents, RAG, tools, memory.

LangChain

• HOME
• Intro
• Install
• Chat & LLM Models
• Prompt Templates
• Output Parsers
• LCEL (Expression Language)

Building Blocks

• Chains
• Runnables
• Streaming
• Memory
• Callbacks
• Tools
• Agents
• Structured Outputs

RAG

• RAG Intro
• Document Loaders
• Text Splitters
• Embeddings
• Vector Stores
• Retrievers
• A Full RAG Chain

Production

• LangGraph (stateful agents)
• LangSmith (eval & tracing)
• LangServe
• Caching
• Evals
• Safety / Guardrails

Examples

• Examples
• Cheatsheet
• Quiz
• Exercises
• Bootcamp
• Certificate
• Summary