ComfyUI-StepVideo

March 27, 2025 ยท View on GitHub

This repository contains ComfyUI custom nodes for StepVideo.

TI2V

Workflow

TI2V.json TI2V

Model Weights

Download the model weights from this link.

Install

  1. Install Step-Video-TI2V

  2. Install ComfyUI custom nodes for StepVideo

cd ComfyUI/custom_nodes
git clone https://github.com/stepfun-ai/ComfyUI-StepVideo.git

Inference

  1. Launch Step-Video-TI2V remote_server
cd Step-Video-TI2V
python api/call_remote_server.py --model_dir where_you_download_dir &  ## We assume you have more than 4 GPUs available. This command will return the URL for both the caption API and the VAE API. Please use the returned URL as "remote_server_url" parameter in the "TI2V" node.
  1. Launch ComfyUI
cd ComfyUI
python main.py

TI2V_API

Workflow

TI2V_API.json TI2V_API

Usage

api_url: https://api.stepfun.com/v1/video/generations

api_key: get api_key from https://platform.stepfun.com

Todo

  • TI2V node
  • TI2V_API node
  • T2V node
  • T2V_API node