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What Is RAG? Retrieval-Augmented Generation Explained

Aug 9, 20266 min read

What Is RAG? Retrieval-Augmented Generation Explained

What is RAG (retrieval-augmented generation)? How it works, when to use it, and how it compares to fine-tuning and long-context models in 2026.

#RAG #retrieval augmented generation #LLM apps