LLMs & Generative AITop pick
RAG vs CAG vs KAG: How Each Works, What the Research Says and Which One to Use
RAG retrieves the right chunks for each question, CAG preloads a small knowledge base into the model's cache, and KAG reasons over a knowledge graph. This guide explains all three in plain English, checks what the original CAG and KAG papers actually found, and runs a hands-on test where plain RAG missed a multi-hop answer that a knowledge graph got right.
15 min read