ComfyUI-Open-Sora-I2V

By bombax-xiaoiceView on GitHub →

Another comfy implementation for the short video generation project hpcaitech/Open-Sora, supporting latest V2 and V3 models as well as image to video functions, etc.

How much VRAM does ComfyUI-Open-Sora-I2V require?

Direct Answer: The ComfyUI node ComfyUI-Open-Sora-I2V requires a minimum base VRAM of 4096MB and is optimized for GPUs with at least 8GB of VRAM. Low VRAM mode is not supported for this node.

Very High (4-8GB)
Base VRAM:
4096MB (4.0GB)
Recommended GPU:
8GB+ VRAM
Low VRAM Mode:
✗ Not 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-Open-Sora-I2V?

Direct Answer: Running ComfyUI-Open-Sora-I2V requires installing the following Python package dependencies: accelerate, colossalai, diffusers, ftfy, gdown, mmengine, pre-commit, pyav, tensorboard, timm, tqdm, transformers, wandb. Ensure your ComfyUI environment has these packages active before launching.

requirements.txt
accelerate
colossalai
diffusers
ftfy
gdown
mmengine
pre-commit
pyav
tensorboard
timm
tqdm
transformers
wandb

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-DisPose
by bombax-xiaoice4.0GB VRAM
AITocha Vision
by aitocha128MB VRAM
AI_Text_Comfyui
by Zch6111256MB VRAM
AK XZ Axis (XY for any KSampler)
by akawana256MB VRAM

Frequently Asked Questions

How much VRAM does ComfyUI-Open-Sora-I2V require?

ComfyUI-Open-Sora-I2V requires a minimum of 4096MB (4.0GB) of VRAM for base operation. For optimal performance, a GPU with at least 8GB of VRAM is recommended. Low VRAM mode is not supported for this node.

Can I run ComfyUI-Open-Sora-I2V on an RTX 3060, RTX 4070, or RTX 4090?

✅ RTX 3060 (12GB): Yes, fully compatible with 6.8GB headroom. ✅ RTX 4070 (12GB): Yes, fully compatible with 6.8GB headroom. ✅ RTX 4070 Ti (16GB): Yes, fully compatible with 10.4GB headroom. ✅ RTX 4090 (24GB): Yes, fully compatible with 17.6GB headroom

What Python packages are required for ComfyUI-Open-Sora-I2V?

To run ComfyUI-Open-Sora-I2V, you need to install: accelerate, colossalai, diffusers, ftfy, gdown, mmengine, pre-commit, pyav, tensorboard, timm, tqdm, transformers, wandb. You can install these using pip or add them to your requirements.txt file.

How do I install ComfyUI-Open-Sora-I2V in ComfyUI?

To install ComfyUI-Open-Sora-I2V: (1) Navigate to your ComfyUI/custom_nodes directory, (2) Clone the repository: git clone https://github.com/bombax-xiaoice/ComfyUI-Open-Sora-I2V, (3) Install dependencies: pip install -r requirements.txt (if present), (4) Restart ComfyUI. Alternatively, use ComfyUI Manager for one-click installation.