ComfyUI-LTXVideo

ComfyUI-LTXVideo is a collection of custom nodes for ComfyUI designed to integrate the LTXVideo diffusion model. These nodes enable workflows for text-to-video, image-to-video, and video-to-video generation. The main LTXVideo repository can be found here.

Installation

Installation via ComfyUI-Manager is preferred. Simply search for ComfyUI-LTXVideo in the list of nodes and follow installation instructions.

Manual installation

1. Install ComfyUI
2. Clone this repository to custom-nodes folder in your ComfyUI installation directory.
3. Install the required packages:

cd custom_nodes/ComfyUI-LTXVideo && pip install -r requirements.txt

For portable ComfyUI installations, run

.\python_embeded\python.exe -m pip install -r .\ComfyUI\custom_nodes\ComfyUI-LTXVideo\requirements.txt

Models

1. Download ltx-video-2b-v0.9.safetensors from Hugging Face and place it under models/checkpoints.
2. Install git-lfs and clone the text encoder model to models/text_encoders:

cd models/text_encoders && git clone https://huggingface.co/PixArt-alpha/PixArt-XL-2-1024-MS

Example workflows

Note that to run the example workflows, you need to have ComfyUI-VideoHelperSuite installed.

Text-to-video

Download workflow

Image-to-video

Download workflow

Video-to-video

Download workflow