> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.nvidia.com/nemo/automodel/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.nvidia.com/nemo/automodel/_mcp/server.

# HunyuanVideo-1.5-Diffusers-720p_t2v

> Use HunyuanVideo-1.5-Diffusers-720p_t2v with NeMo AutoModel for diffusion training and fine-tuning, including checkpoints, runnable recipes, setup, and reference details.

[HunyuanVideo 1.5](https://huggingface.co/hunyuanvideo-community/HunyuanVideo-1.5-Diffusers-720p_t2v) is a 13B parameter text-to-video diffusion model from the Hunyuan community, supporting 720p resolution video generation with flow matching training.

Set up NeMo AutoModel with the [latest container](https://catalog.ngc.nvidia.com/orgs/nvidia/containers/nemo-automodel) or follow the [installation instructions](/get-started/installation).

## Fine-Tune HunyuanVideo-1.5-Diffusers-720p\_t2v

From the repository root, run:

```bash
uv run torchrun --nproc-per-node=8 \
  examples/diffusion/finetune/finetune.py \
  -c examples/diffusion/finetune/hunyuan_t2v_flow.yaml
```

## Choose a Workflow

| Goal                                            | Start Here                                                                                                                           |
| ----------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------ |
| Fine-tune - HunyuanVideo 1.5 with flow matching | Use [hunyuan\_t2v\_flow.yaml](https://github.com/NVIDIA-NeMo/Automodel/blob/main/examples/diffusion/finetune/hunyuan_t2v_flow.yaml). |

## Model Reference

### Model Architecture

| Property                  | Value                                                                   |
| ------------------------- | ----------------------------------------------------------------------- |
| Task                      | Text-to-Video                                                           |
| Architecture              | DiT (Flow Matching)                                                     |
| Parameters                | 13B                                                                     |
| Hugging Face Organization | [hunyuanvideo-community](https://huggingface.co/hunyuanvideo-community) |

### Task

* Text-to-Video (T2V)

### Available Models

| Model                     | HF ID                                                                                                                                             |
| ------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------- |
| HunyuanVideo 1.5 720p T2V | [`hunyuanvideo-community/HunyuanVideo-1.5-Diffusers-720p_t2v`](https://huggingface.co/hunyuanvideo-community/HunyuanVideo-1.5-Diffusers-720p_t2v) |

## Related Resources

* [Diffusion Fine-Tuning Guide](/recipes-e2e-examples/diffusion-fine-tuning)
* [Dataset Preparation](/datasets/diffusion-dataset)