#
Introduction to LangGraph

Welcome to this next part of our journey, where you’ll learn how to build applications using the `LangGraph` framework designed to help you structure and orchestrate complex LLM workflows.

`LangGraph` is a framework that allows you to build production-ready applications by giving you control tools over the flow of your agent.

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Module Overview

In this unit, you’ll discover:

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1️⃣ What is LangGraph, and when to use it?

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2️⃣ Building Blocks of LangGraph

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3️⃣ Alfred, the mail sorting butler

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4️⃣ Alfred, the document Analyst agent

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5️⃣ Quiz

> The examples in this section require access to a powerful LLM/VLM model. We ran them using the GPT-4o API because it has the best compatibility with LangGraph.

By the end of this unit, you’ll be equipped to build robust, organized and production ready applications !

That being said, this section is an introduction to LangGraph and more advanced topics can be discovered in the free LangChain academy course : Introduction to LangGraph

Let’s get started!

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Resources

- LangGraph Agents - Examples of LangGraph agent
- LangChain academy - Full course on LangGraph from LangChain

Update on GitHub