---
title: "Discussion on \"Understanding RAG (Retrieval-Augmented Generation): Why We Need It, How It Works, and Where It Can Fail\n\" | Hashnode"
description: "Discussion on \"Understanding RAG (Retrieval-Augmented Generation): Why We Need It, How It Works, and Where It Can Fail\n\". If you've ever used ChatGPT, Gemini, Claude, or any other Large Language Model (LLM), you've probably noticed something interesting. They can explain complex topics, write code, summarize documents, a"
url: "https://hashnode.com/posts/understanding-rag-retrieval-augmented-generation-why-we-need-it-how-it-works-and-where-it-can-fail/6a5cef34775750e29a53ef93"
---

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# [Understanding RAG (Retrieval-Augmented Generation): Why We Need It, How It Works, and Where It Can Fail](https://shivani0203.hashnode.dev/understanding-rag-retrieval-augmented-generation-why-we-need-it-how-it-works-and-where-it-can-fail?utm_source=hashnode&utm_medium=feed)

If you've ever used ChatGPT, Gemini, Claude, or any other Large Language Model (LLM), you've probably noticed something interesting. They can explain complex topics, write code, summarize documents, a

Jul 19 · 9 min read · shivani0203.hashnode.dev  
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