LangChain for Finance


Book LangChain for Finance

Learn LangChain

In this book, you’ll learn how to use the framework LangChain in Python. In addition, we’ll show you how you can build a chatbot web UI in Python using Plotly Dash and LangChain. Finally, you’ll learn how to chat with YouTube videos and PDF files. Start building today!

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Why do you need this book

Illustration of learning

Start with Basics

Master the LangChain Basics and build powerful AI applications effortlessly.

Illustration of working with LLMs

Working with LLMs

Learn how to use OpenAI models with our super-detailed step-by-step examples.

Illustration of practical learning

Efficient learning

Learn efficiently with practical examples and build smarter LLM solutions.



What is LangChain?

LangChain is a framework for building LLM-powered applications. The framework consists of components that are modular and easy to use. The components are abstractions for working with LLMs, whether you use the rest of the framework or not. Moreover, LangChain contains Off-the-shelf chains. You can use these chains to combine several components. This approach makes it easy to develop complex applications.

LangChain has a lot of functionalities, and it’s hard to keep track as a beginner. The framework currently contains six main modules, and in this book, we want to explain the core features of each module. This approach helps you to understand the framework from the ground up in an easy way.




What do you get?

In this book, you’ll learn the basic concepts of the framework LangChain. We also show you how to get your personal OpenAI API Key. This API key gives you access to the most advanced OpenAI models. You’ll also learn to build a chatbot web UI using Plotly Dash and LangChain. We also show you how to compare earnings reports from major car manufacturers using an LLM. Finally, you’ll implement the logic to chat with YouTube videos. We’ll show you step-by-step how to do this with LangChain.

After reading this book, you’ll be able to build your own LangChain applications.

Do you want to know what is possible with our book?

Here’s a demo:

Chat with YouTube videos

You get the book “LangChain for Finance” as a PDF file.

Table of Content:

  • Introduction to LangChain
  • Chapter 1: Getting Your OpenAI API Key
  • Chapter 2: First Practical Example
  • Chapter 3: Chatbot with Plotly Dash
  • Chapter 4: Chat with Earnings reports of Companies (PDF files)
  • Chapter 5: Chat with Earnings Call on YouTube
  • Summary

Happy coding!

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