SCSarah Connollyinsarahbconnolly.hashnode.dev·Sep 1 · 5 min readLangChain vs. LlamaIndex: Which Should You Use for RAG?My PDF Q&A app was built entirely on LangChain, mostly because that's what the certificate I'm working through teaches. But LangChain isn't the only framework for this — LlamaIndex is the other major 00
SCSarah Connollyinsarahbconnolly.hashnode.dev·Sep 1 · 10 min readI Built a RAG App That Answers Questions About Any PDFTL;DR: I built a small Flask app that lets you upload a PDF and ask it questions, grounded in that specific document — not the model's general training. Under the hood it's a classic RAG pipeline: ext00
SCSarah Connollyinsarahbconnolly.hashnode.dev·Aug 27 · 5 min read5 Building Blocks I Learned Building My First LangChain AppI just wrapped up Course 1: Develop Generative AI Applications — Get Started, the first course in IBM's RAG and Agentic AI Professional Certificate. It covers the fundamentals you need before touching00
