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comfyui minimax h3
Explore the comfyui minimax h3 workflow: open-weight text, image, and reference video generation with stereo audio up to 2K.
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Why Creators Choose the comfyui minimax h3 Workflow
Powered by MiniMax's omni-modal model released as open weights, the comfyui minimax h3 workflow lives entirely inside your ComfyUI canvas. Text, images, video, and audio are read together in one context, so voice, effects, and music are synthesized alongside the picture in a single pass. Clips run to roughly 15 seconds at 2K/24fps, and every node parameter stays in your hands.
- Stereo Sound, No Extra PassSpeech, effects, and score are synthesized alongside the picture and delivered in one MP4, already in sync through the comfyui minimax h3 workflow.
- Open Weights, Total ControlHost the comfyui minimax h3 model on your own machine and adjust resolution, length, and diffusion settings freely — nothing is gated behind an API.
- Mix Every Reference TypeFeed text, stills, clips, and audio into a single run to hold a face, a look, a movement, a camera path, or a voice steady with the comfyui minimax h3 nodes.
Set Up the comfyui minimax h3 Workflow in Three Steps
Three quick steps take you from a fresh install to open-weight video with built-in audio via the comfyui minimax h3 workflow.
Feature Highlights of the comfyui minimax h3 Workflow
From three ready-made ComfyUI graphs to open-weight multimodal generation, in-pass stereo audio, reference steering, and optional Sage Attention acceleration, the comfyui minimax h3 workflow covers a full local video pipeline.
Three Ready-Made Graphs
Ships inside the comfyui minimax h3 template library: text-to-video, image-to-video, and reference-to-video examples, one for each generation mode, ready on install.
One Shared Context for All Modalities
Because the comfyui minimax h3 model reads text, pictures, footage, and sound within the same context, every reference type can be mixed in a single run.
Steer Results with References
Hold a face, a look, a movement, a camera path, or a voice steady using source material — the comfyui minimax h3 R2V node accepts as many as 9 stills, 3 clips, and 3 audio tracks.
Legible Text and Brand Marks
On-screen words and logo elements come out crisp with the comfyui minimax h3 model, and prompts written in plain language can describe how references relate to one another.
Faster Renders with Sage Attention
Drop the Patch Sage Attention KJ node into the comfyui minimax h3 graph to roughly double throughput while barely touching visual quality.
Precise Resolution and Length Grid
The comfyui minimax h3 Resolution Selector derives width and height from your aspect ratio and megapixel target, snapped to the model's 32-multiple grid and 17-frame blocks at 24fps.
Frequently Asked Questions: comfyui minimax h3
Answers to the questions people ask most about running MiniMax H3 as an open-weight model inside ComfyUI.
What exactly is the comfyui minimax h3 workflow?
It is ComfyUI's built-in support for MiniMax H3, an omni-modal generation model from MiniMax that ships as open weights. From text, stills, footage, or audio references, the graph renders video with stereo sound in one forward pass.
What resolution and length can it output?
Clips from the comfyui minimax h3 workflow reach 2K at 24fps and run roughly 15 seconds. The native canvas keeps a 768px short edge, tops out at 768x1344, and rounds to multiples of 32.
Which generation modes ship with it?
Three examples come in the comfyui minimax h3 template library: text-to-video (T2V), image-to-video (I2V) with optional first and last frame control, and reference-to-video (R2V) for locking character, style, motion, camera, or voice.
Does the workflow produce sound as well?
It does — the comfyui minimax h3 model renders stereo audio including speech, effects, and music together with the picture in one pass, delivered already synced inside a single MP4.
How do I install and begin?
Bring ComfyUI up to 0.30.0 or newer, go to Template Library > Video, select a comfyui minimax h3 workflow, and accept the pop-up that downloads weights from the Hugging Face Comfy-Org/MiniMax-H3 repository.
Is there a way to make it render faster?
Yes — add SageAttention plus the KJNodes custom nodes, then insert a Patch Sage Attention KJ node between the UNETLoader and BasicGuider in the comfyui minimax h3 graph to nearly double throughput.
Put the comfyui minimax h3 Workflow to Work Today
Bring MiniMax H3 onto your own GPU through ComfyUI — open weights, in-pass stereo sound, and every parameter exposed, with T2V, I2V, and R2V graphs ready from the start.