Learning LangChain (Build AI Applications with LLMs)

If you're looking to build a production-ready AI application that enables users to "chat" with your company's private data, then you'll need to master LangChain—a premier AI development framework used by global corporations and startups like Zapier, Replit, Databricks, and more. This guide is an indispensable resource for developers who understand Python or JavaScript but are beginners eager to harness the power of AI.

Authors Mayo Oshin and Nuno Campos demystify the use of LangChain through practical insights and in-depth tutorials. Starting with basic concepts, this book will show you step-by-step how to build a production-ready AI chatbot trained on your own data. After reading this book, you'll be equipped to:

• Understand and use the core components of LangChain in your development projects
• Harness the power of retrieval-augmented generation (RAG) to enhance the accuracy of LLMs using external, up-to-date data
• Develop and deploy AI chatbots that interact intelligently and contextually with users
• Utilize LangChain Expression Language to create custom, efficient AI operational chains
• Integrate and manage third-party APIs and tools to extend the functionality of your AI applications
• Learn the foundations of LLM app development and how they can be used with LangChain

This book title, Learning LangChain (Build AI Applications with LLMs), ISBN: 9781098167288, by Mayo Oshin, Nuno Campos, published by O'Reilly Media (April 29, 2025) is available in paperback. Our minimum order quantity is 25 copies. All standard bulk book orders ship FREE in the continental USA and delivered in 4-10 business days.

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