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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

How to evaluate LLM apps

The goal of evaluating LLMs is to understand their strengths and weaknesses, so as to enhance accuracy and efficiency while reducing errors, thereby maximizing their usefulness in solving real-world problems. This evaluation process typically occurs offline during the development phase. Offline evaluations provide initial insights into model performance under controlled test conditions and include aspects such as hyperparameter tuning and benchmarking against peer models or established standards. They offer a necessary first step toward refining a model before deployment.

While human assessments are sometimes seen as the gold standard, they are hard to scale and require careful design to avoid bias from subjective preferences or authoritative tones. There are many standardized benchmarks such as MBPP to test basic programming skills, while GSM8K is utilized for multi-step mathematical reasoning. API-Bank evaluates models’ aptitudes for making decisions...

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