ComfyUI-Open-Sora

only supports Linux now

pip install packaging ninja
pip install flash-attn --no-build-isolation

git clone https://www.github.com/nvidia/apex
cd apex
sudo python setup.py install --cuda_ext --cpp_ext

pip3 install -U xformers --index-url https://download.pytorch.org/whl/cu121

cd ComfyUI/custom_nodes
git clone https://github.com/chaojie/ComfyUI-Open-Sora
cd ComfyUI-Open-Sora
pip install -v .

Models

download OpenSora-v1-HQ-16x512x512.pth & put it to ComfyUI/models/checkpoints

Resolution	Data	#iterations	Batch Size	GPU days (H800)	URL
16×256×256	366K	80k	8×64	117	🔗
16×256×256	20K HQ	24k	8×64	45	🔗
16×512×512	20K HQ	20k	2×64	35	🔗

pip install -U huggingface_hub
中国用户可以执行这一步 export HF_ENDPOINT=https://hf-mirror.com  windows上在powershell里$env:HF_ENDPOINT = "https://hf-mirror.com"
huggingface-cli download --resume-download DeepFloyd/t5-v1_1-xxl
huggingface-cli download --resume-download stabilityai/sd-vae-ft-ema

Examples

base workflow

https://github.com/chaojie/ComfyUI-Oepn-Sora/blob/main/wf.json

Open-Sora