Article

What is RAG?

AWS · aws.amazon.com

A plain explainer of how retrieval, augmentation and generation fit, and why RAG is cheaper than retraining a model.

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The question it answers

  1. What is RAG in AI?

Read with it

  1. The paper that named RAG: a model paired with a retriever over a document index, answering more factually than the model alone. arxiv.org Article Retrieval-Augmented Generation for Knowledge-Intensive NLP Tasks Patrick Lewis et al.
  2. Anthropic's measured fix for the weak step in RAG: contextual chunks cut failed retrievals by 49%, and by 67% with reranking. anthropic.com Article Introducing Contextual Retrieval Anthropic
  3. The quickest hosted RAG: upload files to a vector store and let the model search them, with no database of your own. developers.openai.com Guide File search (OpenAI API) OpenAI
  4. Video What is Retrieval-Augmented Generation (RAG)? IBM Technology
  5. Google's explainer, including when RAG beats fine-tuning and how grounding reduces made-up answers. cloud.google.com Article What is retrieval-augmented generation? Google Cloud
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