What does HackerNews think of gpt4-pdf-chatbot-langchain?

GPT4 & LangChain Chatbot for large PDF docs

Language: TypeScript

#54 in TypeScript
Ask HN: What projects are You creating with AI? | Apr 2023
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I am just trying to get started with some of this. I found this repo tonight https://github.com/mayooear/gpt4-pdf-chatbot-langchain that seems interesting.
ChatPDF – Chat with Any PDF | Apr 2023
It seems to be a paid version of https://github.com/mayooear/gpt4-pdf-chatbot-langchain

It uses langchain and pinecone to create a semantic index over the PDF content and search it based on question asked to sends the relevant information to openAI GPT api using embeddings.

You probably shouldn't use OpenAI's embeddings | Mar 2023
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langchain and llama-index are two big opensource projects which are great for buildign this type of thing.

https://github.com/mayooear/gpt4-pdf-chatbot-langchain for example