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What is RAG (Retrieval-Augmented Generation)?

A technique where AI systems retrieve relevant information from a knowledge base before generating responses, improving accuracy and grounding.

RAG (Retrieval-Augmented Generation) Explained

Retrieval-Augmented Generation (RAG) is an AI architecture pattern that combines information retrieval with text generation. When a user makes a request, the system first searches a knowledge base for relevant documents or passages (retrieval), then provides those passages as context to the language model alongside the request (augmentation), and the model generates a response grounded in that specific information (generation). RAG significantly reduces AI hallucination and enables domain-specific accuracy without retraining the model.

Frequently Asked Questions

Why is RAG important for content review?

RAG allows the AI reviewer to reference your specific brand guidelines, style rules, and product information when evaluating content — rather than relying solely on general training data. This makes reviews accurate and relevant to your organization.

How is RAG different from fine-tuning?

Fine-tuning retrains the model on your data (expensive, slow, needs ML expertise). RAG retrieves relevant context at query time (instant setup, no retraining, documents can be updated anytime). RAG is more practical for most businesses.

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Last updated: February 2026