Want to really understand how RAG, vector search & chunking work?
Then stop reading theory and build your own chatbot.
This guide shows you how to create a local PDF chatbot using:
LangChain
FAISS (vector DB)
Mistral via Ollama
Python & Streamlit
Step-by-step, from environment setup to deployment. Ideal for learning how Retrieval-Augmented Generation works in practice.
Comment “WANT” if you need the friends link to the article, as you don’t have paid Medium.