ComfyUI-OmDet

By prodogapeView on GitHub →

This node is mainly based on [a/OmDet](https://github.com/om-ai-lab/OmDet) for object detection, and it outputs related images, masks, and Labelme JSON information.

How much VRAM does ComfyUI-OmDet require?

Direct Answer: The ComfyUI node ComfyUI-OmDet 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

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🚀 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-OmDet?

Direct Answer: Running ComfyUI-OmDet requires installing the following Python package dependencies: detectron2, lmdb, pytorch, pytorch, pytorch-cuda, torchvision. Ensure your ComfyUI environment has these packages active before launching.

requirements.txt
detectron2
lmdb
pytorch
pytorch
pytorch-cuda
torchvision

Interactive Setup & Dependency Resolver

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

Related Custom Nodes

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

Comfyui-Minio
by prodogape256MB VRAM
0x-jerry/Rembg Background Removal Node for ComfyUI
by 0x-jerry128MB VRAM
A8R8 ComfyUI Nodes
by ramyma128MB VRAM
AI4ArtsEd Nodes
by joeriben128MB VRAM

Frequently Asked Questions

How much VRAM does ComfyUI-OmDet require?

ComfyUI-OmDet 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-OmDet 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-OmDet need?

ComfyUI-OmDet requires the following PyTorch-related packages: pytorch, pytorch, pytorch-cuda, torchvision. 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-OmDet?

To run ComfyUI-OmDet, you need to install: detectron2, lmdb, pytorch, pytorch, pytorch-cuda, torchvision. You can install these using pip or add them to your requirements.txt file.

How can I reduce VRAM usage when running ComfyUI-OmDet?

ComfyUI-OmDet 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-OmDet in ComfyUI?

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