nunchaku-ai/nunchaku-shuttle-jaguar
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Model Card for nunchaku-shuttle-jaguar
This repository contains Nunchaku-quantized versions of Shuttle Jaguar, designed to generate high-quality images from text prompts. It is optimized for efficient inference while maintaining minimal loss in performance.
Model Details
Model Description
- Developed by: Nunchaku Team
- Model type: text-to-image
- License: apache-2.0
- Quantized from model: Shuttle Jaguar
Model Files
- `svdq-int4_r32-shuttle-jaguar.safetensors`: SVDQuant quantized INT4 Shuttle Jaguar model. For users with non-Blackwell GPUs (pre-50-series).
- `svdq-fp4_r32-shuttle-jaguar.safetensors`: SVDQuant quantized NVFP4 Shuttle Jaguar model. For users with Blackwell GPUs (50-series).
Model Sources
- Inference Engine: nunchaku
- Quantization Library: deepcompressor
- Paper: SVDQuant: Absorbing Outliers by Low-Rank Components for 4-Bit Diffusion Models
- Demo: demo.nunchaku.tech
Usage
- Diffusers Usage: See flux.1-schnell.py. Just replace the safetensors with the ones from this repository. Check our tutorial for more advanced usage.
- ComfyUI Usage: See nunchaku-flux.1-schnell.json. Just replace the safetensors with the ones from this repository.
Performance

Citation
@inproceedings{
li2024svdquant,
title={SVDQuant: Absorbing Outliers by Low-Rank Components for 4-Bit Diffusion Models},
author={Li*, Muyang and Lin*, Yujun and Zhang*, Zhekai and Cai, Tianle and Li, Xiuyu and Guo, Junxian and Xie, Enze and Meng, Chenlin and Zhu, Jun-Yan and Han, Song},
booktitle={The Thirteenth International Conference on Learning Representations},
year={2025}
}