---
title: "Discussion on \"WTF is An LLM?\" | Hashnode"
description: "Discussion on \"WTF is An LLM?\". Ever wondered how ChatGPT actually works under the hood? I broke it all down transformers, tokenization, attention - explained like you're 5 (or just tired"
url: "https://hashnode.com/posts/wtf-is-an-llm/6800a97b1041b97f0b2ea60f"
---

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# [WTF is An LLM?](https://vedcodes.hashnode.dev/wtf-is-an-llm?utm_source=hashnode&utm_medium=feed)

Ever wondered how ChatGPT actually works under the hood? I broke it all down transformers, tokenization, attention - explained like you're 5 (or just tired

Apr 17, 2025 · 4 min read · vedcodes.hashnode.dev  
Read the article

-   [#how-llms-work](https://hashnode.com/tag/how-llms-work)
-   [#large-language-models](https://hashnode.com/tag/large-language-models)
-   [#ai-for-beginners](https://hashnode.com/tag/ai-for-beginners)
-   [#generative-ai](https://hashnode.com/tag/generative-ai)

## Written by

[Vedant Swami](https://hashnode.com/@VedCodesss)

@VedCodesss

  
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Making World A Better Place One Blog At A Time

developer, designer, blogger,Ex. Web Dev @ startup

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