Building a RAG System: How Retrieval, Embeddings, and LLMs Work Together

This story is from 2026-08-31. It is preserved in the archive; the latest stories are on the live feed.

1. Why RAG Is More Than "Ask an LLM a Question" When most people start building with LLMs, the mental model looks like this: User Question ↓ LLM ↓ Generated Answer That works fine for general knowledge questions, but it has a hard ceiling. The model can only draw on what it learned during training,…

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1. 2026-08-31 12:21 · DEV Community — Machine Learning
   Building a RAG System: How Retrieval, Embeddings, and LLMs Work Together