Tagged “basics”
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Does ChatGPT Use RAG?
Sometimes. When ChatGPT searches the web or reads your uploaded files, that's RAG in action; plain answers from memory are not. Here's how to tell.
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What Does a Vector Database Do in RAG?
A vector database is the searchable library in a RAG system: it stores documents as meaning-capturing numbers so the AI can find passages by meaning.
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What Is RAG in Simple Terms?
RAG (Retrieval-Augmented Generation) means an AI looks up relevant documents before answering. Here's the simple version, with a plain analogy.
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When Does RAG Give Wrong Answers?
RAG fails when it retrieves the wrong passages, the documents are wrong, or the model ignores what it read. The main failure modes, in plain English.