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Retrieval-augmented generation (RAG)

RAG retrieves relevant external documents for a question and supplies them to a language model as context before generation. It can make answers more grounded, but does not guarantee correct retrieval, citations or factual output.

RAG retrieves relevant external documents for a question and supplies them to a language model as context before generation. It can make answers more grounded, but does not guarantee correct retrieval, citations or factual output.

updated 10/14/2026

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