Udemy
    •  
    •  
    •  
    •  
    •  
    •  
    •  
    •  
Turn what you know into an opportunity and reach millions around the world.
Learn More
Your cart is empty.
Keep shopping
Zero to Hero in LangChain: Build GenAI apps using LangChain
Role Play
Rating: 4.2 out of 5(337 ratings)
15,496 students

Zero to Hero in LangChain: Build GenAI apps using LangChain

Learn all features of LangChain & build Generative AI applications with Memory, RAG, Tools, Agents etc. using LangChain
Last updated 4/2026
English

What you'll learn

  • Discover the core principles of LangChain and its application in building Generative AI models
  • Master the creation and use of Prompt Templates, including chat prompt templates and few-shot prompt templates, to optimize AI interactions
  • Develop complex chain structures, such as LLMChains and Sequential Chains, to enhance the functionality of AI-driven applications
  • Implement dynamic execution flows using LCEL-based Chains and Runnables, including controlling execution flow and dynamic routing
  • Utilize memory in LangChain to build advanced conversational AI that can remember and recall user interactions across sessions
  • Create a Retrieval-Augmented Generation (RAG) application, including document reading, chunking, embedding, and data retrieval from a vector database
  • Design and integrate custom tools and agents, including memory-enabled agents, into your LangChain applications to extend their capabilities
  • Construct a graphical user interface (GUI) for your Generative AI applications using Streamlit, enabling user-friendly interactions with your AI models

Course content

12 sections54 lectures5h 26m total length
  • Introduction and Course Resources4:30

    In this opening lecture, learners will be acquainted with the foundational aspects of the course, "Zero to Hero in LangChain: Build GenAI apps using LangChain." By the end of this lesson, participants will have a clear understanding of the course objectives, structure, and the key topics that will be covered throughout the program. Additionally, students will gain access to essential resources that will support their learning journey.

    The lecture will provide an overview of LangChain, a powerful framework for building Generative AI applications, setting the stage for the practical and theoretical knowledge to be acquired in subsequent sections. Learners will also be introduced to the primary tools and technologies that will be utilized throughout the course, ensuring they are well-prepared to start their hands-on projects.

    This lesson is designed for a wide audience, from beginners with little to no experience in Generative AI and LangChain to more advanced learners who are looking to solidify their understanding and skills in building sophisticated AI applications. Whether you are an aspiring data scientist, software developer, or AI enthusiast, this lecture will give you the foundational knowledge and resources needed to embark on your LangChain learning adventure.

  • What is LangChain and Why it is used5:46

    In this lecture, learners will gain a comprehensive understanding of what LangChain is and why it is a pivotal tool in the field of Generative AI (GenAI). By the end of this lesson, participants will be able to clearly articulate the core functionalities and benefits of using LangChain for building sophisticated GenAI applications. The lecture will cover the fundamental concepts and advantages of integrating LangChain into AI development, emphasizing its role in creating more responsive and intelligent AI systems.

    Learners will get an overview of the LangChain framework, including its features and capabilities. While this lecture is primarily conceptual, it will introduce key components and technologies that LangChain interacts with, such as language models, neural networks, and natural language processing (NLP) tools, setting the stage for deeper exploration in subsequent lessons.

    This lesson is specifically designed for individuals who are interested in AI and its applications, including developers, data scientists, AI enthusiasts, and tech entrepreneurs. Whether you are a beginner who is new to AI concepts or an experienced professional looking to enhance your skills in generative AI, this lecture will provide the foundational knowledge necessary to leverage LangChain in your projects.

  • Demonstration of LangChain based Applications7:50

    By the end of this lesson, learners will be able to understand the practical applications of LangChain by observing real-world demonstrations. They will gain insights into how to implement LangChain in building generative AI applications, enhancing their capabilities in creating advanced, interactive solutions. This lesson will include the demonstration of various tools and technologies integrated with LangChain, highlighting its versatility and power in different contexts.

    This lesson is particularly intended for developers, data scientists, AI enthusiasts, and technology professionals who are interested in expanding their skills in generative AI and application development using LangChain. Whether you are a beginner seeking foundational knowledge or an experienced professional looking to leverage LangChain for sophisticated AI solutions, this lesson provides valuable, actionable insights that cater to a wide spectrum of technical expertise.

  • This is a milestone3:52
  • Setting up the development environment10:28

    In this lecture, students will gain a comprehensive understanding of how to set up their development environment for building GenAI applications using LangChain. By the end of this lesson, learners will be equipped with the knowledge to install and configure the essential tools and dependencies required for a seamless development experience. Students will be able to:

    - Install necessary programming languages and package managers.
    - Set up Integrated Development Environments (IDEs) and text editors for optimal productivity.
    - Install and configure LangChain and related libraries.
    - Troubleshoot common issues encountered during the setup process.

    Throughout this lecture, learners will interact with various tools and technologies, including but not limited to:

    - Python and its package managers such as pip or conda.
    - Integrated Development Environments (IDEs) like Visual Studio Code or PyCharm.
    - LangChain library and its dependencies.

    This lesson is designed for a broad audience, including:

    - Beginners with no prior experience looking to get started with GenAI application development.
    - Intermediate developers who wish to streamline their development setup.
    - Professionals from different fields interested in expanding their skills in AI and LangChain.

    By following the guidelines in this lecture, students will have a fully configured development environment ready for building sophisticated GenAI applications.

  • Quiz

Requirements

  • Basic Python knowledge, familiarity with AI concepts, and access to a computer with internet are recommended; no advanced AI experience required.

Description

Are you ready to transform your ideas into powerful Generative AI applications? Do you want to master a cutting-edge framework that can revolutionize how you interact with AI models? If you're an aspiring AI developer, data scientist, or tech enthusiast eager to build advanced AI applications from scratch, then this course is designed for you.

"Zero to Hero in LangChain: Build GenAI apps using LangChain" is your comprehensive guide to mastering LangChain, an innovative framework that streamlines the creation of sophisticated AI-driven applications. Whether you're a beginner or someone with some experience in AI, this course will take you on a journey from understanding the basics to implementing complex applications that leverage memory, retrieval-augmented generation (RAG), tools, agents, and more.

In this course, you will:

  • Develop your first LangChain application and set up a robust development environment.

  • Master the use of Prompt Templates, Chains, and Runnables to create versatile AI interactions.

  • Implement dynamic execution flows and output parsing to enhance your AI models.

  • Harness the power of memory in LangChain to build conversational AI with context retention.

  • Create a fully functional RAG pipeline to maximize the value of your data retrieval processes.

  • Build custom tools and agents, and learn how to integrate them into your applications.

  • Monitor and optimize your applications using LangSmith.

  • Design user-friendly interfaces for your AI apps with Streamlit.

Why should you learn LangChain? As the AI landscape rapidly evolves, the ability to build applications that can interact intelligently with vast datasets and maintain coherent conversations is a game-changer. LangChain offers a powerful, flexible framework that simplifies this process, making it accessible even if you're just getting started.

Throughout the course, you'll complete hands-on projects that reinforce your learning, ensuring you not only understand the theory but can apply it effectively. From building conversational AI with memory to creating sophisticated RAG applications, you'll gain practical experience in every aspect of LangChain.

This course stands out because it not only covers the "how" but also the "why" behind every feature of LangChain. As an expert in the field, I'll guide you through each step, ensuring you gain the skills and confidence needed to build impactful AI applications.

Don't miss this opportunity to become a LangChain expert and take your AI skills to the next level. Enroll now and start building the future of AI applications!

Who this course is for:

  • Aspiring AI developers who want to build and deploy advanced Generative AI applications using LangChain
  • Data scientists aiming to enhance their AI models with memory, retrieval-augmented generation (RAG), and custom tool integrations
  • Software engineers looking to master LangChain for creating dynamic and interactive AI-driven applications
  • Tech enthusiasts eager to explore the latest frameworks and techniques for developing cutting-edge AI solutions
  • AI researchers interested in applying LangChain's features to improve conversational AI and data retrieval systems
  • Product managers who want to understand the capabilities of LangChain to lead AI-driven product development effectively