---
title: "Discussion on \"Don’t do RAG: CAG is all you need for knowledge tasks\" | Hashnode"
description: "Discussion on \"Don’t do RAG: CAG is all you need for knowledge tasks\". Understand the distinctions between Retrieval and Cache-Augmented Generation; find out how CAG improves speed while RAG handles real-time information"
url: "https://hashnode.com/posts/dont-do-rag-cag-is-all-you-need-for-knowledge-tasks/69444e7ea7365764b63b5a00"
---

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# [Don’t do RAG: CAG is all you need for knowledge tasks](https://blog.fotiecodes.com/dont-do-rag-cag-is-all-you-need-for-knowledge-tasks?utm_source=hashnode&utm_medium=feed)

Understand the distinctions between Retrieval and Cache-Augmented Generation; find out how CAG improves speed while RAG handles real-time information

Dec 18, 2025 · 6 min read · blog.fotiecodes.com  
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-   [#rag](https://hashnode.com/tag/rag)
-   [#cag](https://hashnode.com/tag/cag)
-   [#llm](https://hashnode.com/tag/llm)
-   [#large-language-models](https://hashnode.com/tag/large-language-models)
-   [#artificial-intelligence](https://hashnode.com/tag/artificial-intelligence)
-   [#machine-learning](https://hashnode.com/tag/machine-learning)
-   [#data-science](https://hashnode.com/tag/data-science)
-   [#data-engineering](https://hashnode.com/tag/data-engineering)

## Written by

[Fotie M. Constant](https://hashnode.com/@fotiecodes)

@fotiecodes · Lisbon, Portugal

  
[View profile](https://hashnode.com/@fotiecodes)

Software Engineer

Widely known as fotiecodes, an open source enthusiast, software developer, mentor and SaaS founder. I'm passionate about creating software solutions that are scalable and accessible to all, and i am dedicated to building innovative SaaS products that empower businesses to work smarter, not harder.

## Responses 1

Markdown supported · ⌘↵ to post

[Julio Marcelino Oliveira](https://hashnode.com/@julius-ai)

[Dec 19, 2025](https://hashnode.com/posts/dont-do-rag-cag-is-all-you-need-for-knowledge-tasks/69444e7ea7365764b63b5a00/comment/6944ee84306dfe19b618987a)

Excelent