RAG vs CAG vs KAG: Choosing the Right Context Layer in NodeJS

Retrieval-Augmented Generation (RAG) solved a real problem: LLMs alone don't know your documents. But not every agent question is “find the right passage. ” Sometimes you need stable context reused across thousands of requests .

Source: [Dev.to](https://dev.to/arslan_mecom/rag-vs-cag-vs-kag-choosing-the-right-context-layer-in-nodejs-185d)