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license: apache-2.0
language:
- en
pipeline_tag: text-to-image
base_model: Tongyi-MAI/Z-Image
tags:
- gguf
- safetensors
- text-to-image
- rundiffusion
- z-image
---
<h1 align="center">Juggernaut Z<br><sub><sup>A polished cinematic fine-tune of Z-Image Base from RunDiffusion</sup></sub></h1>
<div align="center">
[](https://www.rundiffusion.com/juggernaut-z)
[](https://huggingface.co/Tongyi-MAI/Z-Image)
[](https://www.rundiffusion.com/juggernaut-z-prompt-guide)
</div>
Juggernaut Z is a fine-tuned image model built on **Z-Image Base**, created through the work of **Team Juggernaut** with fine-tuning by **KandooAI**. On RunDiffusion, it is positioned as a stronger choice for creators who want more polished image output, better lighting quality, stronger camera focus, and more detailed skin textures.
This repository is intended to host the RunDiffusion release artifacts for Juggernaut Z, including full-precision weights and GGUF quantizations.
## Overview
Juggernaut Z is tuned for a more presentation-ready look out of the box. Relative to Z-Image Base, the emphasis is on:
- Stronger lighting and clearer atmosphere
- More refined focus and camera feel
- More polished portrait rendering
- Improved skin texture detail
- Better out-of-the-box presentation for editorial, concept, and cinematic work
## Website Comparisons
The comparison sets below are taken from the RunDiffusion Juggernaut Z announcement page.
**Comparison label:** Left: **Juggernaut Z** · Right: **Z Image Base**
### Better Lighting
More dramatic, cinematic lighting quality out of the box.
### Improved Textures
Juggernaut Z produces cleaner and more natural-looking skin textures, especially in close-up portraits.
### Anatomy
We have worked to improve overall image integrity, resulting in cleaner anatomy and more consistent structural detail across a wide variety of subjects.
### Composition
Subject and object placement within scenes improved in version one, with continued improvements planned for version two.
### Diversity
The model is tuned toward a more balanced result across ethnic backgrounds, with better representation out of the box.
### Architecture
Architectural subjects benefit from cleaner structural lines and more coherent material rendering.
## Recommended Settings
Based on the RunDiffusion launch guidance:
- Recommended default: `CFG 6`, `35 steps`
- Good CFG range: `6 to 9`
- Good steps range: `25 to 45`
## Good Fit For
- Portraits with cleaner facial detail and stronger focus
- Cinematic scenes with stronger lighting and clearer atmosphere
- Concept development and visual exploration
- Editorial and fashion work that benefits from a polished finish
## Files In This Repo
Current release artifacts:
- `Juggernaut_Z_V1_by_RunDiffusion.safetensors`
- `Juggernaut_Z_V1_FP8_e4m3fn.safetensors`
- `Juggernaut_Z_V1_by_RunDiffusion_q4_k_s-001.gguf`
- `Juggernaut_Z_V1_by_RunDiffusion_q4_k_m-002.gguf`
- `Juggernaut_Z_V1_by_RunDiffusion_q5_k_s-005.gguf`
- `Juggernaut_Z_V1_by_RunDiffusion_q5_k_m-003.gguf`
- `Juggernaut_Z_V1_by_RunDiffusion_q6_k-004.gguf`
- `Juggernaut_Z_V1_by_RunDiffusion_q8_0.gguf`
## Notes
- The base model is [Tongyi-MAI/Z-Image](https://huggingface.co/Tongyi-MAI/Z-Image).
- This card uses image assets from the RunDiffusion Juggernaut Z announcement page.
- If you are using the GGUF files, use a GGUF-compatible runtime or workflow.
- If you are using the safetensors releases, load them with the workflow that matches your local inference stack.
## Links
- Announcement: [RunDiffusion Juggernaut Z](https://www.rundiffusion.com/juggernaut-z)
- Prompt guide: [Juggernaut Z Prompt Guide](https://www.rundiffusion.com/juggernaut-z-prompt-guide)
- Base model: [Tongyi-MAI/Z-Image](https://huggingface.co/Tongyi-MAI/Z-Image)
## Attribution
Juggernaut Z is based on Z-Image Base. Credit for the upstream base model belongs to the Z-Image team. Credit for this fine-tuned release is attributed to Team Juggernaut, with fine-tuning by KandooAI, as described on the RunDiffusion announcement page.
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