English
LangChain for Beginners: Build AI Apps with Python
Sam Rivera›5 chapters20 pagesUpdated May 29, 2026
About this book
LangChain is the most popular framework for building apps powered by large language models (LLMs) like GPT-4. Learn to create chatbots, summarisers, question-answering systems, and AI agents — step by step, from scratch.
Table of Contents5 chapters
1What Is LangChain?
2Chains and Pipelines
3RAG: Chat with Your Documents
4Agents: AI That Takes Actions
5Build a Complete Chatbot