Ask Your PDFs Anything: Build a FastAPI RAG Chatbot with Groq & FAISS!
Last Updated on August 28, 2025 by Editorial Team
Author(s): A.Venkatesh
Originally published on Towards AI.
What Are We Building?
Have you ever wanted to chat with a PDF? In this blog, we’ll build a backend chatbot using:
This article explains how to build a PDF chat system using FastAPI and various advanced tools like FAISS and LangChain. It guides readers through the process, from setting up the server and managing user sessions to uploading PDFs and creating a backend with intelligent response capabilities powered by Groq’s LLaMA3 model. The implementation emphasizes a modular and streamlined approach to successfully integrate PDF querying within a conversational interface.
Read the full blog for free on Medium.
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