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Juggernaut Z Fast is the speed-focused release of Juggernaut Z. It keeps the cinematic, polished Juggernaut look while targeting 4-step generation for lower latency and lower compute cost. Think of it as the Fast/Turbo-style companion to the full Juggernaut Z release.
| Parameter | Recommendation |
|---|---|
| Steps | 4 |
| Workflow | Use a Fast/Turbo-compatible Z-Image workflow |
| CFG | Start with the workflow default; avoid full-model high-step settings |
| Use case | Fast previews, lower-cost production passes, text-layout checks, product and portrait exploration |
| File | Format | Notes |
|---|---|---|
JuggernautZ_Fast_by_RunDiffusion.safetensors | safetensors | Original Fast release weights |
Juggernaut_Z_V1_Fast_FP16.safetensors | safetensors fp16 | Half-precision Fast weights |
Juggernaut_Z_V1_Fast_FP8_e4m3fn.safetensors | safetensors fp8 e4m3fn | Lower VRAM footprint |
Juggernaut_Z_V1_Fast_by_RunDiffusion_q8_0.gguf | GGUF q8_0 | Highest-quality quant |
Juggernaut_Z_V1_Fast_by_RunDiffusion_q6_k.gguf | GGUF q6_k | Balanced quality and size |
Juggernaut_Z_V1_Fast_by_RunDiffusion_q5_k_m.gguf | GGUF q5_k_m | Medium quant |
Juggernaut_Z_V1_Fast_by_RunDiffusion_q5_k_s.gguf | GGUF q5_k_s | Smaller q5 quant |
Juggernaut_Z_V1_Fast_by_RunDiffusion_q4_k_m.gguf | GGUF q4_k_m | Compact quant |
Juggernaut_Z_V1_Fast_by_RunDiffusion_q4_k_s.gguf | GGUF q4_k_s | Smallest footprint |
juggernaut z fast release collection and organized by the categories used during curation.| Category | Count |
|---|---|
| People | 30 |
| Text generation | 12 |
| Art & concept | 17 |
| Architecture & interiors | 10 |
| Product & branding | 9 |
| Nature & travel | 4 |
| Food & beverage | 3 |
 65 - Typewriter Juggernaut Text |  66 - Midnight Diner Neon Sign |  67 - Rebel Without A Cause Jacket Text |
 68 - Aeterna Est Stone Inscription |  69 - Future Is Now Newspaper |  70 - Unsolved Chalkboard Question |
 71 - California Surf Club T Shirt |  72 - Danger Zone Road Sign |  74 - Revolution Graffiti Wall |
 75 - Astronaut Going Home Caption |  77 - RunDiffusion Monitor Ad Copy |  85 - Readable Chalkboard Paragraph |
 02 - Cliffside Glass Ocean House |  03 - Brutalist Concrete Tower |  04 - Sunlit Minimal Interior Lounge |
 06 - Classical White Facade |  10 - Japanese Courtyard Interior |  11 - Cathedral Light Interior |
 14 - Desert Modern White House |  17 - Luxury High Rise Interior |  19 - Angular Metal Museum Exterior |
 23 - Indoor Jungle Lounge |
 44 - RunDiffusion Watch Product Shot |  46 - RunDiffusion Sneaker Ad |  49 - RunDiffusion Skincare Jar |
 50 - RunDiffusion Smartphone Display |  52 - RunDiffusion Whiskey Bottle |  54 - RunDiffusion Coffee Bag |
 56 - RunDiffusion Headphones Product Shot |  59 - RunDiffusion Burger Wrapper |  62 - RunDiffusion Sunglasses Beach Product |
 13 - Rainforest Dog Portrait |  25 - Sunset Field Silhouette |  32 - Coastal Cliffs Landscape |
 55 - Blue Scarf Flower Field Fashion |
 12 - Butterflies Over Morning Coffee |  15 - Cocktail Ice Splash |  34 - Berry Pancake Stack |
RunDiffusion/Juggernaut-Z-Image:1model_index.json
2transformer/
3text_encoder/
4tokenizer/
5vae/
6scheduler/.safetensors variants with the workflow that matches your local inference stack, or use the .gguf variants with a GGUF-compatible runtime.