# RAG (Retrieval-Augmented Generation)

> Source: Show Up On AI · https://showuponai.com/glossary/rag

A technique where AI models search the web or databases in real time to augment their responses with current information. RAG is used by ChatGPT (browsing mode), Perplexity, and Google AI Overviews. RAG is the faster channel for GEO results because it doesn't require waiting for model retraining.

## Related terms

- [Parametric Knowledge](https://showuponai.com/glossary/parametric-knowledge)
- [Generative Engine](https://showuponai.com/glossary/generative-engine)


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