model-quantization

Quantize large language models with GGUF, GPTQ, AWQ, and bitsandbytes.

17|3|Updated Apr 3, 2026

Search Tags:#llm #quantization #bitsandbytes #gptq #gguf #awq

Ready to run

npx skills add https://github.com/jayll1303/AIEKit --skill model-quantization-jayll1303

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: model-quantization
Source: https://github.com/jayll1303/AIEKit/tree/main/.kiro/skills/model-quantization
Command: npx skills add https://github.com/jayll1303/AIEKit --skill model-quantization-jayll1303

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Quantization reduces the VRAM footprint and speeds up inference for large language models by converting weights and running-time precision with GGUF, GPTQ, AWQ, and bitsandbytes.

Core Features & Use Cases

Supports GGUF conversion for llama.cpp and Ollama, including direct quantization levels.
Provides GPTQ and AWQ weight-only quantization workflows with calibration datasets.
Enables runtime loading in 4-bit or 8-bit precision using BitsAndBytesConfig, enabling rapid experimentation and deployment.

Quick Start

Quantize a sample HuggingFace model to 4-bit with GPTQ or AWQ and verify the results with a quick perplexity check.

Frequently Asked Questions about model-quantization

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I quantize an LLM to reduce VRAM usage and speed up inference?▼

You can quantize large language models to reduce VRAM usage and accelerate inference by converting weights and runtime precision using methods like GGUF, GPTQ, AWQ, and bitsandbytes.

What is the best way to choose between GGUF, GPTQ, and AWQ for model quantization?▼

Selecting a quantization method depends on your specific VRAM budget, model size, and quality targets, balancing weight-only precision with runtime loading requirements across llama.cpp, vLLM, and Ollama.

How do I convert a HuggingFace model to 4-bit using GPTQ or AWQ?▼

You can convert a sample HuggingFace model to 4-bit precision using GPTQ or AWQ workflows that utilize calibration datasets, followed by a quick perplexity check to verify the quantized results.

Can I load models in 4-bit or 8-bit precision at runtime without permanent conversion?▼

Yes, you can enable runtime loading in 4-bit or 8-bit precision using BitsAndBytesConfig, which allows rapid experimentation and deployment without permanently altering the original model weights.

Why does my GPTQ or AWQ quantization fail or produce poor quality results?▼

Common quantization issues often stem from improper calibration data, incorrect group size configurations, or unoptimized activation-aware quantization, which require careful diagnosis to resolve.