LangChain: A Hands-On Guide to Modern AI Application Development

by Glen Patzlaff

Learn to build sophisticated AI apps with Python's hottest new framework. This hands-on guide takes you from basic chatbots to advanced assistants that can reason about data.Step-by-step projects show you how to create AI-powered apps with LangChain, Streamlit, and ChainlitMaster prompt engineering fundamentals to elicit accurate responses from large language modelsBuild conversational agents that can use calculators, Wikipedia, weather data, and custom toolsIntegrate external APIs to connect your models with real-time dataImplement retrieval augmented generation (RAG) for context-aware question answeringDeploy your agents as web apps with Streamlit and Chainlit for easy interactionIntegration Explore how to seamlessly connect with OpenAI's Large Language Models (LLMs) and other AI tools.Advanced Concepts Made Grasp the intricacies of Prompt Templates, Simple Chains, Sequential Chains, and Agents.Interactive Engage in practical exercises like 'Chat with a Document' and adding memory to chat applications.Whether you're looking to level up your Python skills or launch a new AI project, this book equips you with the knowledge to unlock the full capabilities of LangChain. Fun examples feature cooking assistants and storytelling bots. Ideal for developers familiar with Python.

86 pages, Paperback

Published December 28, 2023