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Generative AI with LangChain

You're reading from   Generative AI with LangChain Build large language model (LLM) apps with Python, ChatGPT, and other LLMs

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Product type Paperback
Published in Dec 2023
Publisher Packt
ISBN-13 9781835083468
Length 368 pages
Edition 1st Edition
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Author (1):
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Ben Auffarth Ben Auffarth
Author Profile Icon Ben Auffarth
Ben Auffarth
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Table of Contents (13) Chapters Close

Preface 1. What Is Generative AI? 2. LangChain for LLM Apps FREE CHAPTER 3. Getting Started with LangChain 4. Building Capable Assistants 5. Building a Chatbot Like ChatGPT 6. Developing Software with Generative AI 7. LLMs for Data Science 8. Customizing LLMs and Their Output 9. Generative AI in Production 10. The Future of Generative Models 11. Other Books You May Enjoy
12. Index

Summary

In this chapter, we first talked about the problem of hallucinations and automatic fact-checking, and how to make LLMs more reliable. We implemented a few simple approaches that help to make LLM outputs more accurate. We then looked at and implemented prompting strategies to break down and summarize documents. This can be immensely helpful for digesting large research articles or analyses. Once we get into making a lot of chained calls to LLMs, this can mean we incur a lot of costs. Therefore, I dedicated a subsection to token usage.

The OpenAI API implements functions, which we can use, among other things, for information extraction in documents. We’ve implemented a remarkably simple version of a CV parser as an example of this functionality that indicates how this could be applied. Tools and function calling are not unique to OpenAI, however. The evolution of instruction tuning, function calling, and tool usage enables models to move beyond freeform text generation...

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