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HyperFlow-H3-Flash-INT8-ComfyUI

Image-Text-to-Video
MiniMax H3
hyperflow-h3
comfyui
int8
convrot
unofficial
audio-video-generation
text-to-video
image-to-video
reference-to-video
few-step
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HyperFlow-H3-Flash-INT8-ComfyUI / workflows /hyperflow_int8_flf2v.json
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"## HyperFlow H3 Flash INT8: first and last frame to video\n\nUnofficial port: HyperFlow H3 Flash's own INT8 (convrot) transformer, converted to ComfyUI's layout and run on ComfyUI's native INT8 kernels. Not an official Video Rebirth, MiniMax or Comfy Org release.\n\nLoad your images in **First frame** and **Last frame**; the video starts on the first and ends on the last.\n\n**Custom nodes**: [ComfyUI-HyperFlow-Flash](https://github.com/Video-Rebirth/ComfyUI-HyperFlow-Flash) (official: HyperFlow Sigmas and the two-time patch) and [ComfyUI-HyperFlow-INT8](https://github.com/BennyDaBall930/comfyui_hyperflow_int8_nodes) (HyperFlow INT8 Loader), on a ComfyUI with native MiniMax-H3 and INT8 convrot support.\n\n**Model files**, in `ComfyUI/models/`:\n\n| Folder | File | From |\n|---|---|---|\n| `diffusion_models/` | `minimax_h3_fl2va_hyperflow_flash_int8_convrot.safetensors` | [BennyDaBall/HyperFlow-H3-Flash-INT8-ComfyUI](https://huggingface.co/BennyDaBall/HyperFlow-H3-Flash-INT8-ComfyUI), or convert `fl2va_int8_convrot/` from [VideoRebirthAI/hyperflow-h3-flash](https://huggingface.co/VideoRebirthAI/hyperflow-h3-flash) with `convert_hyperflow_int8.py` |\n| `text_encoders/` | `qwen3vl_32b_minimax_h3_nvfp4_awq.safetensors` | [Comfy-Org/MiniMax-H3](https://huggingface.co/Comfy-Org/MiniMax-H3) |\n| `vae/` | `minimax_h3_video_vae_fp16.safetensors`, `minimax_h3_audio_vae_fp32.safetensors` | [Comfy-Org/MiniMax-H3](https://huggingface.co/Comfy-Org/MiniMax-H3) |\n\n**Recipe**: HyperFlow INT8 Loader (`patcher: legacy`), HyperFlow Sigmas 6 steps, `euler`, Basic Guider (CFG 1, no negative prompt), 1344 x 768, 124 frames (5.2 s at 24 fps), seed 42.\n\n**Change**: the prompt, size and length (124 frames is 5.2 s at 24 fps); **Seed**; `steps` in **HyperFlow Sigmas** (4 speed, 6 default, 8 quality).\n\n**Keep**: `euler`, CFG 1, no negative prompt; `patcher: legacy` (`auto`, DynamicVRAM, is experimental).\n\n**VRAM**: the weights take about 16 GB and stay resident.\n\n**License**: the weights are a MiniMax H3 Model Derivative under the MiniMax H3 Community License Agreement (territory limits apply). Content you share publicly must be disclosed as AI-generated. Powered by MiniMax H3."
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"text": "## HyperFlow H3 Flash INT8: first and last frame to video\n\nUnofficial port: HyperFlow H3 Flash's own INT8 (convrot) transformer, converted to ComfyUI's layout and run on ComfyUI's native INT8 kernels. Not an official Video Rebirth, MiniMax or Comfy Org release.\n\nLoad your images in **First frame** and **Last frame**; the video starts on the first and ends on the last.\n\n**Custom nodes**: [ComfyUI-HyperFlow-Flash](https://github.com/Video-Rebirth/ComfyUI-HyperFlow-Flash) (official: HyperFlow Sigmas and the two-time patch) and [ComfyUI-HyperFlow-INT8](https://github.com/BennyDaBall930/comfyui_hyperflow_int8_nodes) (HyperFlow INT8 Loader), on a ComfyUI with native MiniMax-H3 and INT8 convrot support.\n\n**Model files**, in `ComfyUI/models/`:\n\n| Folder | File | From |\n|---|---|---|\n| `diffusion_models/` | `minimax_h3_fl2va_hyperflow_flash_int8_convrot.safetensors` | [BennyDaBall/HyperFlow-H3-Flash-INT8-ComfyUI](https://huggingface.co/BennyDaBall/HyperFlow-H3-Flash-INT8-ComfyUI), or convert `fl2va_int8_convrot/` from [VideoRebirthAI/hyperflow-h3-flash](https://huggingface.co/VideoRebirthAI/hyperflow-h3-flash) with `convert_hyperflow_int8.py` |\n| `text_encoders/` | `qwen3vl_32b_minimax_h3_nvfp4_awq.safetensors` | [Comfy-Org/MiniMax-H3](https://huggingface.co/Comfy-Org/MiniMax-H3) |\n| `vae/` | `minimax_h3_video_vae_fp16.safetensors`, `minimax_h3_audio_vae_fp32.safetensors` | [Comfy-Org/MiniMax-H3](https://huggingface.co/Comfy-Org/MiniMax-H3) |\n\n**Recipe**: HyperFlow INT8 Loader (`patcher: legacy`), HyperFlow Sigmas 6 steps, `euler`, Basic Guider (CFG 1, no negative prompt), 1344 x 768, 124 frames (5.2 s at 24 fps), seed 42.\n\n**Change**: the prompt, size and length (124 frames is 5.2 s at 24 fps); **Seed**; `steps` in **HyperFlow Sigmas** (4 speed, 6 default, 8 quality).\n\n**Keep**: `euler`, CFG 1, no negative prompt; `patcher: legacy` (`auto`, DynamicVRAM, is experimental).\n\n**VRAM**: the weights take about 16 GB and stay resident.\n\n**License**: the weights are a MiniMax H3 Model Derivative under the MiniMax H3 Community License Agreement (territory limits apply). Content you share publicly must be disclosed as AI-generated. Powered by MiniMax H3."
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