Retrieval-Augmented Generation
An architecture that adds retrieved information to model inputA system retrieves relevant information from an external knowledge base and supplies it to a generative model as context for an answer.
CorroboratedPronounced “rag”. Check its meaning and usage context with sources.
Corroborated
RAG stands for Retrieval-Augmented Generation. A system retrieves relevant documents or database records and adds them to a model's input before generating an answer, instead of relying only on trained parameters.
A way to add retrieved external knowledge to a generative AI input.
Meanings by domain
A system retrieves relevant information from an external knowledge base and supplies it to a generative model as context for an answer.
CorroboratedUsage contexts in the published data
Points that prevent overclaiming
RAG retrieves information at answer time; it is different from fine-tuning. Retrieval quality and source validation still affect the final answer.
Expansions and usage
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Verification date and sources
Corroborated
Last verifiedAug 21, 2026
This entry is based on researched sources and item-level verification notes.
Expansions, meanings, domains, and evidence are shown separately so an abbreviation can be read in context.