This commit updates the two previously added experimental workflows to use standardized default values for parameters such as seed, steps, initial_bias, color, and hue. By setting these to their ideal values (e.g., seed 1, steps 8, bias 0.0), the workflows now serve as a consistent reference point for users.
Z-Image Power Nodes - Experimental Workflows
Workflows
z-image-turbo__t2i_double_trouble.json: Text-to-image workflow combining two different styles.z-image-turbo__text2image.json: Text-to-image generation workflow.
Experimental
These workflows are experimental or utilize nodes in an experimental state, and they are likely to be integrated into the upcoming version. They are designed to leverage the latest ComfyUI features such as Nodes 2.0, Subgraphs, ConvRot, ComfyKitchen-Attention, etc.
Requirements
- ComfyUI v0.14 or higher (or v0.27+ if using INT8-ConvRot)
- Z-Image Power Nodes v2.1 or higher
Additionally, ensure that the Z-Image Turbo related checkpoints (in GGUF or Safetensors format) are placed in the appropriate directories within your ComfyUI setup.
If you choose to use GGUF-format checkpoints, you must also have the
"ComfyUI-GGUF" extension installed, as ComfyUI does not natively support GGUF
files. Once installed, the Power Nodes will automatically detect GGUF checkpoints.
More information about the GGUF extension can be found at:
https://github.com/city96/ComfyUI-GGUF
Checkpoint Files
The loading nodes included in Power Nodes support both .safetensors and GGUF files (provided that ComfyUI-GGUF is installed).
The following list contains recommended checkpoints, selected because they performed best during testing. Given the diversity of GPUs, VRAM capacities, and ComfyUI setups, results may vary. I recommend testing different options to find the best configuration for your system.
While the Power Nodes were tested using the recommended checkpoints below, they should also be compatible with other "Z-Image Turbo" checkpoints and LoRAs. However, full functionality cannot be guaranteed for all custom combinations, and you may need to tweak workflows for your specific setup.
Safetensors (INT8-ConvRot)
-
"z_image_turbo_int8_convrot_bf16emixed.safetensors" | 6.17 GB | Download
Local Directory:ComfyUI/models/diffusion_models/ -
"qwen3-4b_int8_convrot_fp16emixed.safetensors" | 4.42 GB | Download
Local Directory:ComfyUI/models/text_encoders/ -
"Z-Image_half_natural_vae.safetensors" | 335 MB | Download
Local Directory:ComfyUI/models/vae/
GGUF (Q5/Q8)
-
"z_image_turbo-Q5_K_S.gguf" | 5.19 GB | Download
Local Directory:ComfyUI/models/diffusion_models/ -
"Qwen3-4B-Q8_0.gguf" | 4.28 GB | Download
Local Directory:ComfyUI/models/text_encoders/ -
"Z-Image_half_natural_vae.safetensors" | 335 MB | Download
Local Directory:ComfyUI/models/vae/
Comfy-Org Original Safetensors (BF16)
-
"z_image_turbo_bf16.safetensors" | 12.3 GB | Download
Local Directory:ComfyUI/models/diffusion_models/ -
"qwen_3_4b.safetensors" | 8.04 GB | Download
Local Directory:ComfyUI/models/text_encoders/ -
"ae.safetensors" | 335 MB | Download
Local Directory:ComfyUI/models/vae/
Comfy-Org Original Safetensors (INT8-ConvRot / FP8)
-
"z_image_turbo_int8_convrot.safetensors" | 6.20 GB | Download
Local Directory:ComfyUI/models/diffusion_models/ -
"qwen_3_4b_fp8_mixed.safetensors" | 5.63 GB | Download
Local Directory:ComfyUI/models/text_encoders/ -
"ae.safetensors" | 335 MB | Download
Local Directory:ComfyUI/models/vae/
Not Recommended (may be useful on certain systems)
Safetensors (FP8)
-
"z-image-turbo_fp8_scaled_e4m3fn_KJ.safetensors" | 6.16 GB | Download
Local Directory:ComfyUI/models/diffusion_models/ -
"qwen3_4b_fp8_scaled.safetensors" | 4.41 GB | Download
Local Directory:ComfyUI/models/text_encoders/ -
"ae.safetensors" | 335 MB | Download
Local Directory:ComfyUI/models/vae/
Z-Image Power Nodes Installation
Z-Image Power Nodes can be installed via ComfyUI Manager or cloned directly from the repository. Always ensure you are running the latest version.
Installation via ComfyUI Manager (Recommended):
- Open ComfyUI and click Manager to open the menu.
- Click Custom Nodes Manager.
- Search for "Z-Image Power Nodes".
- Click Install on the matching result.
- Restart ComfyUI to apply changes.
Manual Installation:
Please follow the instructions provided in the GitHub repository: