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license: other
license_name: minimax-h3-community-license-agreement
license_link: https://huggingface.co/MiniMaxAI/MiniMax-H3/blob/main/LICENSE
library_name: comfyui
base_model: MiniMaxAI/MiniMax-H3
pipeline_tag: image-text-to-video
tags:
- comfyui
- text-to-video
- image-to-video
- audio-video-generation
- multimodal
- int8
---
# MiniMax-H3 INT8 ConvRot
[็ฎไฝไธญๆ](README_CN.md)
Converted MiniMax-H3 weights for
[ComfyUI-RH-MiniMax-H3](https://github.com/RH-RunningHub/ComfyUI-RH-MiniMax-H3).
This repository is a complete ComfyUI bundle: INT8 ConvRot DiT / text-encoder
weights, merged VAEs, FL2VA / Ref2VA configs, and optional turbo LoRAs.
The same package is mirrored on
[ModelScope](https://modelscope.cn/models/Gluttony10/MiniMax-H3-INT8-CONVROT).
Download from **one** source. The full snapshot is about **99 GiB**; keep at
least **120 GiB** free.
## Run Online and API Access
If you do not want to download the full **99 GiB** model bundle locally, you can try MiniMax-H3 related workflows online on RunningHub, or integrate RunningHub AI app / workflow APIs into your own product.
- [MiniMax-H3 RunningHub Online Demo](https://www.runninghub.ai/model/public/2088129837021057025)
- [MiniMax-H3 RunningHub AI Generator](https://www.runninghub.ai/ai-generator/2133100000000504201)
- [RunningHub API Documentation](https://www.runninghub.cn/runninghub-api-doc-en/)
- [RunningHub API Docs CN](https://www.runninghub.cn/runninghub-api-doc-cn/)
- [ComfyUI-RH-MiniMax-H3 Plugin](https://github.com/RH-RunningHub/ComfyUI-RH-MiniMax-H3)
The online demo is designed for users who want to quickly experience MiniMax-H3 video and audio generation without setting up a local GPU environment. You can first preview and run the public model on RunningHub, then choose to download the full weights locally or connect similar workflows to your product through RunningHub API.
> Want to try it instantly? Open the [MiniMax-H3 RunningHub AI Generator](https://www.runninghub.ai/ai-generator/2133100000000504201) and run it online. Want to integrate video / audio generation into your product? Start with the [RunningHub API Documentation](https://www.runninghub.cn/runninghub-api-doc-en/).
RunningHub API supports model APIs, AI app APIs, workflow APIs, and LLM APIs. For MiniMax-H3 video / audio generation workflows, the recommended task flow is:
```text
Submit task -> get taskId -> check task status -> retrieve generated result
```
Recommended use cases:
- Run MiniMax-H3 video / audio generation workflows online
- Add text-to-video, image-to-video, or video-to-audio generation to your product
- Provide creators, developers, and teams with no-local-setup generative AI workflows
- Build automated video generation, content production, or multimodal applications with RunningHub API
## Contents
| File | Size | Role |
|---|---:|---|
| `MiniMax-H3-FL2VA-int8_convrot.safetensors` | 31.65 GiB | FL2VA / T2VA / V2A DiT |
| `MiniMax-H3-Ref2VA-int8_convrot.safetensors` | 31.65 GiB | Ref2VA DiT |
| `qwen3-vl-32b-int8_convrot.safetensors` | 25.28 GiB | Qwen3-VL text encoder |
| `MiniMax-H3-video_vae.safetensors` | 4.85 GiB | Video VAE |
| `MiniMax-H3-audio_vae.safetensors` | 0.56 GiB | Audio VAE |
| `minimax_h3_fl2v_turbo_4step_v0.1.safetensors` | 1.29 GiB | Optional FL2VA / T2VA 4-step turbo |
| `minimax_h3_fl2v_turbo_4step_v1.0_768p_bf16.safetensors` | 1.29 GiB | Optional FL2VA / T2VA 4-step turbo for 768p |
| `minimax_h3_fl2v_turbo_8step_v1.0_bf16.safetensors` | 1.29 GiB | Optional FL2VA / T2VA 8-step turbo |
| `minimax_h3_ref2v_turbo_4step_v0.1_bf16.safetensors` | 1.29 GiB | Optional Ref2VA 4-step turbo |
| `FL2VA/` | configs | FL2VA tokenizer, processor, and component configs |
| `Ref2VA/` | configs | Ref2VA tokenizer, processor, and component configs |
## Install into ComfyUI
```text
ComfyUI/
โโโ models/
โโโ MiniMax-H3-INT8-CONVROT/
โโโ MiniMax-H3-FL2VA-int8_convrot.safetensors
โโโ MiniMax-H3-Ref2VA-int8_convrot.safetensors
โโโ qwen3-vl-32b-int8_convrot.safetensors
โโโ MiniMax-H3-video_vae.safetensors
โโโ MiniMax-H3-audio_vae.safetensors
โโโ minimax_h3_fl2v_turbo_4step_v0.1.safetensors
โโโ minimax_h3_fl2v_turbo_4step_v1.0_768p_bf16.safetensors
โโโ minimax_h3_fl2v_turbo_8step_v1.0_bf16.safetensors
โโโ minimax_h3_ref2v_turbo_4step_v0.1_bf16.safetensors
โโโ FL2VA/
โโโ Ref2VA/
```
```bash
cd /path/to/ComfyUI
python3 -m pip install -U huggingface_hub
hf download Gluttony10/MiniMax-H3-INT8-CONVROT \
--local-dir ./models/MiniMax-H3-INT8-CONVROT
```
China users can use the ModelScope mirror:
```bash
cd /path/to/ComfyUI
python3 -m pip install -U modelscope
modelscope download --model Gluttony10/MiniMax-H3-INT8-CONVROT \
--local_dir ./models/MiniMax-H3-INT8-CONVROT
```
Re-run the same command to resume or update an interrupted download. On a
high-bandwidth machine with at least 64 GiB RAM, prefix `hf download` with
`HF_XET_HIGH_PERFORMANCE=1`.
The plugin auto-detects this complete converted bundle. The legacy
`ComfyUI/models/MiniMax-H3` directory remains supported.
## Optional Turbo LoRA
Select one turbo LoRA in the model loader for fewer sampling steps. Leave the
LoRA empty to run the base converted weights.
| File | Typical use |
|---|---|
| `minimax_h3_fl2v_turbo_4step_v0.1.safetensors` | FL2VA / T2VA 4-step turbo |
| `minimax_h3_fl2v_turbo_4step_v1.0_768p_bf16.safetensors` | FL2VA / T2VA 4-step turbo for 768p |
| `minimax_h3_fl2v_turbo_8step_v1.0_bf16.safetensors` | FL2VA / T2VA 8-step turbo |
| `minimax_h3_ref2v_turbo_4step_v0.1_bf16.safetensors` | Ref2VA 4-step turbo |
## Plugin
Install [ComfyUI-RH-MiniMax-H3](https://github.com/RH-RunningHub/ComfyUI-RH-MiniMax-H3)
and use the nodes under `RunningHub/MiniMax H3`:
| Node | Purpose |
|---|---|
| `RHMiniMaxH3ModelLoader` | Load the FL2VA / Ref2VA DiT and optional LoRA |
| `RHMiniMaxH3TextEncoderLoader` | Load the Qwen3-VL text encoder |
| `RHMiniMaxH3VAELoader` | Load the video and audio VAEs |
| `RHMiniMaxH3VideoGen` | T2VA / FL2VA / V2A |
| `RHMiniMaxH3RefGen` | Ref2VA with ordered image, video, and audio references |
Example workflows:
- [Text-to-video+audio](https://github.com/RH-RunningHub/ComfyUI-RH-MiniMax-H3/blob/main/examples/workflows/videogen_t2va.json)
- [Video-to-audio](https://github.com/RH-RunningHub/ComfyUI-RH-MiniMax-H3/blob/main/examples/workflows/videogen_v2a.json)
- [Image/audio reference generation](https://github.com/RH-RunningHub/ComfyUI-RH-MiniMax-H3/blob/main/examples/workflows/refgen_image_audio.json)
## License
Converted weights follow the upstream
[MiniMax-H3 Community License](https://huggingface.co/MiniMaxAI/MiniMax-H3/blob/main/LICENSE).
The ComfyUI plugin code is Apache-2.0.
## Links
- [RunningHub Official Website](https://www.runninghub.ai/)
- [MiniMax-H3 RunningHub Online Demo](https://www.runninghub.ai/model/public/2088129837021057025)
- [MiniMax-H3 RunningHub AI Generator](https://www.runninghub.ai/ai-generator/2133100000000504201)
- [RunningHub API Documentation](https://www.runninghub.cn/runninghub-api-doc-en/)
- [RunningHub API Docs CN](https://www.runninghub.cn/runninghub-api-doc-cn/)
- [ComfyUI-RH-MiniMax-H3](https://github.com/RH-RunningHub/ComfyUI-RH-MiniMax-H3)
- [Official MiniMax-H3](https://github.com/MiniMax-AI/MiniMax-H3)
- [Official MiniMax-H3 weights](https://huggingface.co/MiniMaxAI/MiniMax-H3)
- [ModelScope mirror](https://modelscope.cn/models/Gluttony10/MiniMax-H3-INT8-CONVROT)
|