Fundamentals · Medium · Free
What is RAG and why pair LLMs with your own documents?
FresherFundamentalsAI & Machine Learning Basics
RAG pipeline
diagram
question → embed → vector DB top-k → prompt with chunks → LLM answer- Grounds answers in your docs
- Retrieval quality matters as much as model
- Log citations for trust
Contrast with fine-tuning: RAG updates knowledge without retraining weights.