1
Why it helps
The answer is grounded in your material, which lowers the chance of invented facts and lets you update knowledge without retraining a model.
Loading…
Glossary
Updated October 17, 2026 · 3 min read · Chatdek
The short answer
Retrieval-augmented generation (RAG) is a technique where an AI first finds the relevant passages from your own information and then writes the answer from them. It is how a chatbot answers from your documents.
The answer is grounded in your material, which lowers the chance of invented facts and lets you update knowledge without retraining a model.
Questions
Keep reading