Seedance 2.0 Mini and 4K Support Arrive in ComfyUI

ComfyUI integrated the Seedance 2.0 Mini and 4K models, expanding the toolkit for node-based AI video generation. This update allows creators to utilize the Seedance architecture directly within their custom workflows for tasks ranging from stylization to high-resolution video synthesis. The release focuses on two distinct ends of the production spectrum: rapid prototyping and final-delivery quality.

What's new

Seedance 2.0 introduces two specific model variants to the ComfyUI environment as of February 2025. The Seedance 2.0 Mini model is designed for efficiency, offering faster inference speeds and lower VRAM requirements, making it suitable for iterative testing and lower-end hardware. This model maintains the core architectural improvements of the 2.0 series but at a reduced computational cost.

For high-end production, the Seedance 2.0 4K model enables native high-resolution video generation. This version addresses the common limitation of 720p or 1080p caps found in many AI video tools. By supporting 4K output, the model reduces the need for external upscaling passes, which often introduce artifacts or lose fine detail during the enlargement process. Both models are accessible via dedicated nodes within the ComfyUI interface, allowing for direct connection to existing LoRA, ControlNet, and IP-Adapter setups.

How it fits your workflow

ComfyUI users often rely on complex node structures to maintain character consistency and motion control, and the Seedance 2.0 models provide a specialized alternative to tools like AnimateDiff or Kling 1.5. For filmmakers, the Seedance 2.0 4K model serves as a high-fidelity rendering engine for video-to-video workflows, where a source performance needs to be re-skinned or stylized without losing the sharpness required for large-screen display.

In a professional pipeline, the Seedance 2.0 Mini model functions as a pre-visualization tool. Editors can quickly generate low-resolution versions of a sequence to check motion and composition before committing the GPU hours required for a 4K Seedance render. This tiered approach mirrors the proxy workflow used in traditional VFX and color grading. While Runway Gen-3 Alpha and Luma Dream Machine offer high-quality outputs, the integration of Seedance 2.0 into ComfyUI provides a level of granular control over individual frames and motion vectors that closed-platform web tools cannot match.

What it costs / how to try it

Seedance 2.0 Mini and 4K are available to ComfyUI users through the official manager or by manually installing the Seedance nodes and model weights. Access to the models typically requires a Seedance API key or subscription for hosted versions, though local execution depends on the specific licensing and hardware compatibility of the user's machine.