ComfyUI-Step1X-Edit

By quank123wipView on GitHub →

ComfyUI Custom Node for [a/Step1X-Edit](https://github.com/stepfun-ai/Step1X-Edit/). Noted this node may consume large VRAMs!

How much VRAM does ComfyUI-Step1X-Edit require?

Direct Answer: The ComfyUI node ComfyUI-Step1X-Edit requires a minimum base VRAM of 128MB and is optimized for GPUs with at least 4GB of VRAM. Low VRAM mode is fully supported for resource-constrained setups.

High (2-4GB)
Base VRAM:
128MB (0.1GB)
Recommended GPU:
4GB+ VRAM
Low VRAM Mode:
✓ Supported
Estimation Confidence:
MEDIUM

Interactive VRAM Compatibility Estimator

Estimated Total VRAM: 3.00 GBTarget: 8 GB
✅ Comfortable Fit

Your GPU has plenty of headroom. You can run this node safely with your active configurations!

Deploy on High-Performance GPUs

Need more VRAM to run ComfyUI with this node? Rent low-cost, high-performance GPUs on Vast.ai instantly.

🚀 Deploy on Vast.ai

Deploy on Cloud GPUs

Need more VRAM to run ComfyUI with this node? Rent low-cost, high-performance cloud GPUs on RunPod instantly.

🚀 Deploy on RunPod

What Python packages are required for ComfyUI-Step1X-Edit?

Direct Answer: Running ComfyUI-Step1X-Edit requires installing the following Python package dependencies: einops==0.8.1, liger_kernel==0.5.4, pillow==11.1.0, qwen_vl_utils==0.0.10, safetensors==0.4.5, torch>=2.3.1, transformers==4.49.0. This node specifically requires PyTorch version 2.3.1 or newer.

requirements.txt
einops==0.8.1
liger_kernel==0.5.4
pillow==11.1.0
qwen_vl_utils==0.0.10
safetensors==0.4.5
torch>=2.3.1
transformers==4.49.0

Interactive Setup & Dependency Resolver

Operating System:
Environment Type:
Run this terminal command in your ComfyUI root folder:
# Loading command...

Special Environment Requirements:

Requires PyTorch version 2.3.1+.

To update PyTorch for your selected setup, run:
# Loading PyTorch command...

Related Custom Nodes

The following custom nodes run in the same PyTorch / CUDA environment and share similar categories or workflows:

ComfyUI_Step1X-Edit
by raykindle128MB VRAM
ComfyUI GLM-4 Wrapper
by Nojahhh4.0GB VRAM
comfyui_EdgeTAM
by lum3on4.0GB VRAM
AITocha Vision
by aitocha128MB VRAM
AI_Text_Comfyui
by Zch6111256MB VRAM

Frequently Asked Questions

How much VRAM does ComfyUI-Step1X-Edit require?

ComfyUI-Step1X-Edit requires a minimum of 128MB (0.1GB) of VRAM for base operation. For optimal performance, a GPU with at least 4GB of VRAM is recommended. This node supports low VRAM mode for resource-constrained setups.

Can I run ComfyUI-Step1X-Edit on an RTX 3060, RTX 4070, or RTX 4090?

✅ RTX 3060 (12GB): Yes, fully compatible with 10.7GB headroom. ✅ RTX 4070 (12GB): Yes, fully compatible with 10.7GB headroom. ✅ RTX 4070 Ti (16GB): Yes, fully compatible with 14.3GB headroom. ✅ RTX 4090 (24GB): Yes, fully compatible with 21.5GB headroom

What PyTorch version does ComfyUI-Step1X-Edit need?

ComfyUI-Step1X-Edit requires the following PyTorch-related packages: torch>=2.3.1. Ensure your ComfyUI environment has these installed. Ensure your PyTorch installation matches your CUDA version (use torch.version.cuda to check).

What Python packages are required for ComfyUI-Step1X-Edit?

To run ComfyUI-Step1X-Edit, you need to install: einops==0.8.1, liger_kernel==0.5.4, pillow==11.1.0, qwen_vl_utils==0.0.10, safetensors==0.4.5, torch>=2.3.1, transformers==4.49.0. You can install these using pip or add them to your requirements.txt file.

How can I reduce VRAM usage when running ComfyUI-Step1X-Edit?

ComfyUI-Step1X-Edit supports low VRAM mode. To reduce memory usage: (1) Enable --lowvram or --medvram flags in ComfyUI, (2) Reduce batch size to 1, (3) Use fp16 or fp8 precision if supported, (4) Close other GPU applications.

How do I install ComfyUI-Step1X-Edit in ComfyUI?

To install ComfyUI-Step1X-Edit: (1) Navigate to your ComfyUI/custom_nodes directory, (2) Clone the repository: git clone https://github.com/quank123wip/ComfyUI-Step1X-Edit, (3) Install dependencies: pip install -r requirements.txt (if present), (4) Restart ComfyUI. Alternatively, use ComfyUI Manager for one-click installation.