Diffusion Single File
MiniMax H3
comfyui
hyperflow-h3
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Model card and NOTICE: the fl2va tower, link the loader

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  1. NOTICE +6 -5
  2. README.md +8 -2
NOTICE CHANGED
@@ -7,15 +7,16 @@ under the same Agreement. This repository redistributes them under that Agreemen
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  the Agreement is included as LICENSE.
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  Modifications from Video Rebirth's release (Section III.2), in
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- diffusion_models/minimax_h3_ref2va_hyperflow_flash_int8_convrot_comfy.safetensors:
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- - Converted from ref2va_int8_convrot/ (diffusers layout) to ComfyUI's int8_tensorwise + convrot layout. The int8
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- values and per-row scales are copied unchanged; no weights were retrained or requantized.
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- - Tensors are renamed to ComfyUI's MiniMax H3 names, q/k/v rows are concatenated, and blocks after the dropped block
 
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  are renumbered.
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  - The two halves of each SwiGLU fc1 projection are swapped to put the gate first.
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  - Low-rank pairs are kept in bf16 with their rank zero-padded to a multiple of 256, which leaves their product
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  unchanged.
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- - Every converted tensor was checked against Video Rebirth's ref2va Q8_0 GGUF of the same weights.
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  This repository is not an official MiniMax or Video Rebirth product and is not affiliated with or endorsed by either.
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  Powered by MiniMax H3.
 
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  the Agreement is included as LICENSE.
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  Modifications from Video Rebirth's release (Section III.2), in
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+ diffusion_models/minimax_h3_fl2va_hyperflow_flash_int8_convrot_comfy.safetensors (from fl2va_int8_convrot/) and
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+ diffusion_models/minimax_h3_ref2va_hyperflow_flash_int8_convrot_comfy.safetensors (from ref2va_int8_convrot/):
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+ - Converted from the diffusers layout to ComfyUI's int8_tensorwise + convrot layout. The int8 values and per-row
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+ scales are copied unchanged; no weights were retrained or requantized.
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+ - Tensors are renamed to ComfyUI's MiniMax H3 names, q/k/v rows are concatenated, and blocks after the dropped blocks
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  are renumbered.
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  - The two halves of each SwiGLU fc1 projection are swapped to put the gate first.
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  - Low-rank pairs are kept in bf16 with their rank zero-padded to a multiple of 256, which leaves their product
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  unchanged.
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+ - Every converted tensor was checked against Video Rebirth's Q8_0 GGUF of the same weights.
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  This repository is not an official MiniMax or Video Rebirth product and is not affiliated with or endorsed by either.
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  Powered by MiniMax H3.
README.md CHANGED
@@ -29,13 +29,19 @@ These files are Model Derivatives of MiniMax H3. Both the original model's licen
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  ## HyperFlow H3 Flash
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- `minimax_h3_ref2va_hyperflow_flash_int8_convrot_comfy.safetensors` is Video Rebirth's ref2va `int8_convrot` build in ComfyUI's int8 layout. It is a 14B tower with one block dropped and 19 blocks factored into low-rank pairs, and it samples in 6 or 8 steps without PDD. The int8 weights are copied unchanged from Video Rebirth's file.
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- It needs a loader that knows HyperFlow's endpoint time embedder and low-rank blocks; ComfyUI's stock H3 loader won't load it. Use it with the stock MiniMax H3 text encoder and VAEs from [Comfy-Org/MiniMax-H3](https://huggingface.co/Comfy-Org/MiniMax-H3).
 
 
 
 
 
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  ```
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  πŸ“‚ ComfyUI/
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  β”œβ”€β”€ πŸ“‚ models/
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  β”‚ β”œβ”€β”€ πŸ“‚ diffusion_models/
 
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  β”‚ β”‚ └── minimax_h3_ref2va_hyperflow_flash_int8_convrot_comfy.safetensors
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  ```
 
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  ## HyperFlow H3 Flash
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+ Video Rebirth's two HyperFlow towers in ComfyUI's int8 layout. Both sample in 6 or 8 steps without PDD, and the int8 weights are copied unchanged from Video Rebirth's files.
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+ | File | Tower | Use it for |
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+ |---|---|---|
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+ | `minimax_h3_fl2va_hyperflow_flash_int8_convrot_comfy.safetensors` (16.3 GB) | fl2va: 3 blocks dropped, 102 linears low-rank | Text to video, and image to video from a first frame or first and last frames (`MiniMaxH3ImageToVideo`) |
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+ | `minimax_h3_ref2va_hyperflow_flash_int8_convrot_comfy.safetensors` (16.8 GB) | ref2va: 1 block dropped, 114 linears low-rank | Video from reference images and audio (`MiniMaxH3ReferenceToVideo`) |
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+
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+ They need [ComfyUI-Studio-HyperFlow](https://github.com/NoDevOrg/ComfyUI-Studio-HyperFlow)'s `HyperFlowInt8Loader` and Video Rebirth's [ComfyUI-HyperFlow-Flash](https://github.com/Video-Rebirth/ComfyUI-HyperFlow-Flash) for the schedule; ComfyUI's stock H3 loader won't load them. Use them with the stock MiniMax H3 text encoder and VAEs from [Comfy-Org/MiniMax-H3](https://huggingface.co/Comfy-Org/MiniMax-H3).
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  ```
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  πŸ“‚ ComfyUI/
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  β”œβ”€β”€ πŸ“‚ models/
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  β”‚ β”œβ”€β”€ πŸ“‚ diffusion_models/
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+ β”‚ β”‚ β”œβ”€β”€ minimax_h3_fl2va_hyperflow_flash_int8_convrot_comfy.safetensors
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  β”‚ β”‚ └── minimax_h3_ref2va_hyperflow_flash_int8_convrot_comfy.safetensors
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  ```