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tech 3 August 2026

MiniMax H3 Day-0 Support in ComfyUI: Open Weights, Native Audio, and 2K Video

Discover how the MiniMax H3 video model, with its open weights, native stereo audio output, and 2K video capability, is revolutionizing multimodal creation in ComfyUI.

Article inspired by the original source
MiniMax H3 Day-0 Support in ComfyUI: Open Weights, Native Audio, and 2K Video ↗ blog.comfy.org

Introduction

The release of the MiniMax H3 model with Day-0 support in ComfyUI marks a significant shift in the field of multimodal video creation. With open weights, native stereo sound, and 2K video output, this third-generation model ushers in a new era for developers and content creators.

What is the MiniMax H3 Model?

MiniMax H3 is a multimodal video model that can simultaneously process text, images, video, and audio to generate video clips up to 15 seconds long with genuine stereo sound. As the successor to the Hailuo 01 and Hailuo 02 models, H3 stands out for its ability to handle multiple modalities in a single instance, thus simplifying creative processes for users.

Key Features

  • Text-to-Video: Generate video from text alone.
  • Image-to-Video: Animate a still image.
  • First-and-Last-Frame: Control the opening and closing frames.
  • Reference-to-Video: Use reference images, video, or audio to influence a clip.

These features allow creators to produce rich and varied content with unprecedented flexibility.

Native Audio and 2K Video

Unlike previous models where audio was often added in post-production, MiniMax H3 generates audio simultaneously with video, ensuring perfect synchronization. The 2K output capability guarantees high visual quality, essential for professional projects.

Use Cases

Consider a production studio creating a trailer for a new video game. Using MiniMax H3, they can integrate game images, character dialogues, and background audio tracks into a single seamless sequence, all generated in 2K with high-quality stereo sound.

Local Optimization

MiniMax H3 is optimized to run locally on an NVIDIA 3060 graphics card, making it accessible to a wide range of developers and small teams without requiring expensive cloud infrastructure.

Conclusion

MiniMax H3, with its integration into ComfyUI, offers creators endless possibilities to explore multimodal content creation more intuitively and efficiently.

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MiniMax H3 ComfyUI multimodal open weights 2K video
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