Packt

Gen AI - RAG Application Development using LangChain

Packt

Gen AI - RAG Application Development using LangChain

Included with Coursera Plus

Gain insight into a topic and learn the fundamentals.
Beginner level

Recommended experience

1 week to complete
at 10 hours a week
Flexible schedule
Learn at your own pace
Gain insight into a topic and learn the fundamentals.
Beginner level

Recommended experience

1 week to complete
at 10 hours a week
Flexible schedule
Learn at your own pace

What you'll learn

  • Gain expertise in LangChain and its various components to build AI applications

  • Learn to integrate vector databases and embeddings into language model applications

  • Master the concepts of Retrieval-Augmented Generation (RAG) for enhanced language processing

  • Develop conversational memory features to maintain context in multi-turn AI interactions

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Recently updated!

February 2026

Assessments

5 assignments

Taught in English

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There are 3 modules in this course

In this module, we will introduce the course objectives and key topics, including large language models, the LangChain framework, and prompts. You will learn how to set up your development environment, install dependencies, and gain practical insights into using Google Gemini LLM. Finally, you'll dive into hands-on coding with a simple prompt chaining demo to start building your own applications.

What's included

8 videos1 reading1 assignment

In this module, we will cover key LangChain concepts, starting with prompt templates and agents to advanced topics like document loaders, output parsers, and vector databases. You’ll also build your first Retrieval-Augmented Generation (RAG) application, work with different chain types, and learn the LangChain Expression Language (LCEL) for query construction. By the end of this module, you'll have a solid understanding of LangChain and the ability to write and execute your own LangChain programs.

What's included

10 videos1 assignment

In this module, we will cover key LangChain concepts, including prompt templates, agents, and tools. You’ll explore language embeddings and vector databases, build a Retrieval-Augmented Generation (RAG) application, and learn to write your first LangChain program. By the end of this module, you'll have a comprehensive understanding of how to utilize LangChain for building advanced AI applications.

What's included

8 videos3 assignments

Instructor

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Packt
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