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LangChain — Fundamentals

Tony
4 min readNov 22, 2023

LangChain, a cutting-edge application development framework driven by expansive models, emerged nearly in tandem with ChatGPT. As developers, we now have the capability to leverage the immense potential of these large models and the user-friendliness of LangChain to craft innovative intelligent apps. As the latest in AI development platforms, LangChain is set to captivate programmers and spark a fresh surge in AI application creation.

Harrison Chase initiated the open-source project on GitHub in October 2022. It’s licensed under the MIT license, a prevalent license permitting commercial application, modifications, distribution, and private use. However, it limits liability and doesn’t offer warranties.

According to Github star-history (https://star-history.com/#langchain-ai/langchain&Date):

Pic from star-history

As you can see from the above picture, the number of GitHub Stars for LangChain is skyrocketing, with no signs of slowing down.

What is LangChain

As a framework specifically designed for developing applications based on language models, through LangChain, we can not only invoke large language models such as ChatGPT, GPT-4, Llama 2 via…

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Tony
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