ComfyUI_Step1X-Edit
This custom node integrates the [a/Step1X-Edit](https://github.com/stepfun-ai/Step1X-Edit) image editing model into ComfyUI. Step1X-Edit is a state-of-the-art image editing model that processes a reference image and user's editing instruction to generate a new image.
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.
- Base VRAM:
- 128MB (0.1GB)
- Recommended GPU:
- 4GB+ VRAM
- Low VRAM Mode:
- ✓ Supported
- Estimation Confidence:
- MEDIUM
Interactive VRAM Compatibility Estimator
Your GPU has plenty of headroom. You can run this node safely with your active configurations!
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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.
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>=4.49.0Interactive Setup & Dependency Resolver
# Loading command...Special Environment Requirements:
Requires PyTorch version 2.3.1+.
# Loading PyTorch command...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/raykindle/ComfyUI_Step1X-Edit, (3) Install dependencies: pip install -r requirements.txt (if present), (4) Restart ComfyUI. Alternatively, use ComfyUI Manager for one-click installation.