LangChain Document Loaders Tutorial for Beginners: Load PDFs, Text Files, and Web Pages
Learn how LangChain document loaders turn text files, PDFs, and web pages into Document objects for RAG, summarization, and search workflows.
LangChain
Master the creation of intelligent agents with LangChain. Explore tutorials, best practices, and practical guides for building data-driven applications powered by large language models.
15 posts
LangChain Memory Explained for Beginners: Add Chat History to Your AI App
Learn how LangChain memory and chat history help AI apps keep context across messages, answer follow-up questions, and support more natural conversations.
LangChain Output Parsers Explained for Beginners: Get Structured JSON from LLM Responses
Learn how LangChain output parsers help turn LLM responses into structured JSON that your Python applications can validate, reuse, and process.
LangChain Prompt Templates Explained for Beginners: Build Reusable AI Prompts
Learn how LangChain prompt templates work and build reusable AI prompts with Python, ChatPromptTemplate, variables, and a chat model.
Build a Tool-Calling AI Agent with LangChain, LangGraph and OpenAI Models
📘 Introduction Welcome to this hands-on LangChain + LangGraph tutorial! In this guide, we’ll build an AI agent with tool-calling capabilities using LangChain, LangGraph, and OpenAI models. Instead of just answering questions, our agent will be able to invoke a Python function when needed. We’ll demonstrate this with...
Build an AI Agent with LangChain, LangGraph and OpenAI Models
📘 Introduction Welcome to this hands-on LangChain + LangGraph tutorial! In this guide, we’ll walk you step-by-step through creating your first AI agent using LangChain, LangGraph, and OpenAI models — perfect for beginners who want to build intelligent, autonomous assistants with flexible workflows. 💡 What are LangChain and LangGraph? * LangChain...