RAG PDF Chatbot

A Retrieval-Augmented Generation (RAG) chatbot that allows users to upload a PDF and ask questions about the document.

Tech Stack

Frontend:

• React
• Axios

Backend:

• FastAPI
• LangChain
• FAISS

AI:

• OpenAI GPT
• Embeddings

Features

• Upload PDF • Ask questions about the document • AI generates answers from the PDF • Modern chat UI • Vector search with FAISS

How it Works

PDF → Text Chunks → Embeddings → FAISS → Retrieval → GPT Answer

Demo

Upload a document and ask questions like:

"summary of pdf"

"What is machine learning?"

The chatbot retrieves relevant text and generates an answer.