---
title: "Discussion on \"Types of LLM Quantization: By Timing, Scope, and Mapping\" | Hashnode"
description: "Discussion on \"Types of LLM Quantization: By Timing, Scope, and Mapping\". PTQ, QAT, INT8, INT4, and NF4 explained through timing, scope, and mapping choices."
url: "https://hashnode.com/posts/types-of-llm-quantization-by-timing-scope-and-mapping/69b54f31378cb9a6c1092fbf"
---

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# [Types of LLM Quantization: By Timing, Scope, and Mapping](https://abstractalgorithms.hashnode.dev/types-of-llm-quantization-by-timing-scope-and-mapping?utm_source=hashnode&utm_medium=feed)

PTQ, QAT, INT8, INT4, and NF4 explained through timing, scope, and mapping choices.

Mar 14 · 17 min read · abstractalgorithms.hashnode.dev  
Updated Jun 18  
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