LangChain — Installation and Introduction

Tony
6 min readNov 14, 2023

Fist of all, let’s start with some foundational understanding. While the use of large language models is fairly intuitive, when it comes to application development via APIs, there are certain basics we should grasp. This includes understanding the nature of large models, the installation process for LangChain, the various APIs offered by OpenAI, and sources to download prevalent open-source big models.

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