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comfyui minimax h3
Use the comfyui minimax h3 workflow to turn text, images, or references into up to 2K/24fps videos with native stereo audio and full node-level control.
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Main Benefits of Running MiniMax H3 as a ComfyUI Workflow
This ComfyUI pipeline packages MiniMax H3's open-weight, omni-modal model into a node graph. The comfyui minimax h3 node set processes text, visuals, motion, and sound within one context, then renders video plus synchronized stereo audio in a single forward pass — including dialogue, effects, and music. It supports about 15-second outputs at up to 2K/24fps while exposing every diffusion parameter to the node editor.
- Synchronized Sound Built-InVoice, effects, and background music are rendered alongside the picture and exported as a single MP4, so everything stays locked in sync automatically in the comfyui minimax h3 pipeline.
- Full Local FlexibilityHost the comfyui minimax h3 model on your own hardware and tune resolution, length, and each sampling option directly in ComfyUI, with no external API restrictions.
- Mixed-Media Reference SupportFeed prompts, stills, footage, and sound together to pin down a subject, style, movement, camera path, or vocal tone through the comfyui minimax h3 node system.
How to Run the comfyui minimax h3 Workflow in Three Steps
Follow this quick guide to produce open-weight video with synchronized sound through the comfyui minimax h3 workflow.
Capabilities of the MiniMax H3 ComfyUI Integration
The comfyui minimax h3 setup bundles three ready-made ComfyUI templates, open-weight multimodal generation, synchronized sound, reference-based control, and optional Sage Attention acceleration — a full local video production toolkit.
Prebuilt Templates for Every Mode
The comfyui minimax h3 package includes T2V, I2V, and R2V sample graphs, so each generation mode is ready to run immediately after installation.
Unified Cross-Modal Understanding
MiniMax H3 processes language, pictures, motion, and sound in one shared context, letting the comfyui minimax h3 nodes merge every reference type into a single output.
Identity and Motion Locking
Anchor a character, visual aesthetic, motion pattern, camera action, or vocal track using reference assets — up to nine images, three videos, and three audio files through the comfyui minimax h3 R2V node.
Sharp Text and Logo Fidelity
The comfyui minimax h3 model draws legible words and brand assets faithfully, and it obeys natural-language instructions that specify how reference inputs relate to each other.
Faster Generation with Sage Attention
Add a Patch Sage Attention KJ node to the comfyui minimax h3 graph to nearly halve render times while keeping visual quality largely intact.
Precise Output Size and Length Controls
With the comfyui minimax h3 resolution selector, dimensions are calculated from aspect ratio and megapixels, then snapped to 32-pixel multiples; duration follows the model's 17-frame-per-block cadence at 24fps.
Frequently Asked Questions: MiniMax H3 in ComfyUI
Answers to common questions about installing, using, and optimizing the comfyui minimax h3 workflow.
How does the comfyui minimax h3 workflow work?
It's ComfyUI's built-in support for MiniMax H3, an open-weight omni-modal model from MiniMax. In a single forward pass, the workflow generates video and synchronized stereo audio from text, images, video, and audio references.
What resolution and frame rate can I expect?
The comfyui minimax h3 pipeline renders up to 2K resolution at 24fps for roughly 15 seconds. Its default canvas uses a 768-pixel short edge, with dimensions capped at 768x1344 and rounded to multiples of 32.
Which input types are supported?
Three ready-made templates ship with the comfyui minimax h3 workflow: text-to-video, image-to-video with optional first/last-frame control, and reference-to-video that can lock in characters, style, motion, camera, or voice.
Will I get audio in the output video?
Yes, the comfyui minimax h3 model synthesizes voice, sound effects, and music jointly with the visuals in one pass, delivering them as synchronized stereo audio inside a single MP4 file.
What are the steps to begin using it?
Update ComfyUI to 0.30.0 or later, open Template Library > Video, select a comfyui minimax h3 workflow, and accept the prompt to download models from the Comfy-Org/MiniMax-H3 repository on Hugging Face.
Is there a way to make rendering faster?
Install SageAttention and KJNodes, then insert a Patch Sage Attention KJ node between the UNETLoader and BasicGuider in the comfyui minimax h3 workflow to roughly double render speed.
Begin Creating with This ComfyUI MiniMax H3 Workflow
Launch the comfyui minimax h3 workflow to generate open-weight video with synchronized audio right in ComfyUI. T2V, I2V, and R2V templates are ready, with every parameter under your control.