---
title: Giga-World-1
canonical_url: "https://www.modelscope.cn/models/GigaAI/Giga-World-1"
md_url: "https://www.modelscope.cn/models/GigaAI/Giga-World-1.md"
repository: GigaAI/Giga-World-1
chinese_name: Giga-World-1
last_updated: 2026-07-30
license: apache-2.0
pipeline_tag: robotics
tasks:
  - robotics
parameters: 47.4B
tensor_type:
  - BF16
  - F32
library_name:
  - safetensors
  - diffusers
  - pytorch
frameworks:
  - Pytorch
downloads: 758
stars: 0
---

# Giga-World-1

> Giga-World-1 - GigaAI 在 ModelScope 开源的模型。This repository contains checkpoints for GigaWorld-1, a world model specially optimized for robot policy evaluation, introduced in the paper GigaWorld-1: A Roadmap to Build World Models for Robot Policy Evaluation.

GigaAI/Giga-World-1 是 ModelScope 魔搭社区上的 47.4B 参数robotics模型，采用 apache-2.0 许可。

- **Repository**: GigaAI/Giga-World-1
- **License**: apache-2.0
- **Tasks**: robotics
- **Parameters**: 47.4B
- **Downloads**: 758
- **Stars**: 0
- **Last updated**: 2026-07-30

Source: https://www.modelscope.cn/models/GigaAI/Giga-World-1

---

# Giga-World-1

<p align="center">
  <img src="assets/main_page.png" width="100%" alt="Giga-World-1 Main Page" />
</p>

This repository contains checkpoints for **GigaWorld-1**, a world model specially optimized for robot policy evaluation, introduced in the paper [GigaWorld-1: A Roadmap to Build World Models for Robot Policy Evaluation](https://huggingface.co/papers/2607.02642).

**GigaWorld-1** provides open-source training, inference, data processing, checkpoint conversion, and LoRA merge workflows for robot world models.

- **Paper:** [GigaWorld-1: A Roadmap to Build World Models for Robot Policy Evaluation](https://huggingface.co/papers/2607.02642)
- **Project Page:** [Project Website](https://open-gigaai.github.io/giga-world-1/)
- **Repository:** [GitHub](https://github.com/open-gigaai/giga-world-1)

## Directory Structure

```text
model/
├── README.md
├── assets/
│   └── main_page.png
├── before_stage1/                       # Base checkpoints before stage-1 training
│   ├── Wan2p1_1p3B-FunContro-GigaRobo-alpha-diffusers/
│   ├── Wan2p1_1p3B-FunControl-diffusers/
│   └── Wan2p2_5B-FunControl-diffusers/
├── stage1/                              # Stage-1 fine-tuned checkpoints
│   ├── nano/                            # small (1.3B) variant
│   └── pro/                             # large (5B)   variant
└── stage2_distill/                      # Stage-2 distilled checkpoints
    └── ...
```

### Training pipeline overview

<p align="center">
  <img src="assets/training_pipeline.svg" width="100%" alt="Giga-World-1 training pipeline" />
</p>

### Model Overview

| Stage           | Name                                            | Path                                                 | Notes                                  |
| --------------- | ----------------------------------------------- | ---------------------------------------------------- | -------------------------------------- |
| Open Source     | WAN 2.1 1.3B FunControl                         | [Wan2.1-Fun-1.3B-Control](https://www.bing.com/search?q=WAN+2.1+1.3B+FunControl&form=ANNTH1&refig=6a436fa312dd427c9dfef065aca873ed&pc=CNNDDB) ![Hugging Face](https://img.shields.io/badge/Hugging%20Face-Model-FFD21E?logo=huggingface&logoColor=black) | Open-source model. |
| Open Source     | WAN 2.2 5B FunControl                           | [Wan2.2-Fun-5B-Control](https://huggingface.co/alibaba-pai/Wan2.2-Fun-5B-Control) ![Hugging Face](https://img.shields.io/badge/Hugging%20Face-Model-FFD21E?logo=huggingface&logoColor=black) | Open-source model. |
| Before Stage 1  | GigaRobo Alpha Diffusers                         | `before_stage1/Wan2p1_1p3B-FunContro-GigaRobo-alpha-diffusers/` | Pretrained on Giga dataset, then converted to Diffusers. |
| Before Stage 1  | WAN 2.1 1.3B Diffusers                          | `before_stage1/Wan2p1_1p3B-FunControl-diffusers/`     | Vanilla Diffusers-converted checkpoint.|
| Before Stage 1  | WAN 2.2 5B Diffusers                            | `before_stage1/Wan2p2_5B-FunControl-diffusers/`      | Vanilla Diffusers-converted checkpoint.|
| Stage 1         | Nano (1.3B)                                     | `stage1/nano/`                                       | Stage-1 fine-tuned from the 1.3B branches. |
| Stage 1         | Pro  (5B)                                       | `stage1/pro/`                                        | Stage-1 fine-tuned from the 5B branch.    |
| Stage 2         | Nano Distill                                    | 🚧 Coming soon                                       | 🚧 Coming soon.                        |
| Stage 2         | Pro Distill                                     | 🚧 Coming soon                                       | 🚧 Coming soon.                        |

### Stage-1 checkpoint structure

Each Stage-1 variant (`nano` / `pro`) contains two released artifacts: a full Diffusers-format checkpoint and a scene LoRA checkpoint.

```text
stage1/{nano,pro}/
├── Giga-World-1-*-stage1_final-diffusers/         # full Diffusers checkpoint
│   ├── model_index.json                           # Diffusers pipeline index
│   ├── transformer/                               # DiT / video transformer weights
│   ├── vae/                                       # VAE weights
│   ├── text_encoder/                              # text encoder weights
│   ├── tokenizer/                                 # tokenizer files
│   ├── scheduler/                                 # scheduler config
│   ├── image_encoder/                             # image encoder weights
│   └── image_processor/                           # image preprocessing config
└── Giga-World-1-*-stage1_scene_lora/              # scene LoRA checkpoint
    ├── pytorch_lora_weights.safetensors           # LoRA weights for inference
    ├── transformer_full/                          # full transformer export
    ├── transformer_partial.pth                    # partial transformer checkpoint
    ├── pytorch_model/                             # training checkpoint shards
    ├── distributed_checkpoint/                    # distributed training checkpoint
    ├── scheduler.bin                              # training scheduler state
    ├── latest                                     # latest checkpoint pointer
    ├── zero_to_fp32.py                            # ZeRO checkpoint conversion script
    └── random_states_*.pkl                        # training random states
```

## Quick Start

### Hugging Face Repository

```text
https://huggingface.co/GigaAI-Research/Giga-World-1
```

### SDK Download

```bash
# Install Hugging Face Hub
pip install huggingface_hub
```

```python
# Download the model snapshot via Hugging Face Hub
from huggingface_hub import snapshot_download

model_dir = snapshot_download(repo_id='GigaAI-Research/Giga-World-1')
```

### Git Download

```bash
git lfs install
git clone https://huggingface.co/GigaAI-Research/Giga-World-1
```

## Acknowledgements

We sincerely thank the open-source community and the projects that make this work possible.

<p align="center">
  <a href="https://github.com/huggingface/diffusers">
    <img src="https://img.shields.io/badge/Diffusers-Hugging%20Face-FFD21E?logo=huggingface&logoColor=black" alt="Diffusers" />
  </a>
  <a href="https://github.com/huggingface/lerobot">
    <img src="https://img.shields.io/badge/LeRobot-Hugging%20Face-FFD21E?logo=huggingface&logoColor=black" alt="LeRobot" />
  </a>
  <a href="https://huggingface.co/">
    <img src="https://img.shields.io/badge/Hugging%20Face-Models-FFD21E?logo=huggingface&logoColor=black" alt="Hugging Face" />
  </a>
  <a href="https://modelscope.cn/">
    <img src="https://img.shields.io/badge/ModelScope-Community-624AFF" alt="ModelScope" />
  </a>
  <a href="https://pytorch.org/">
    <img src="https://img.shields.io/badge/PyTorch-Framework-EE4C2C?logo=pytorch&logoColor=white" alt="PyTorch" />
  </a>
</p>

Thanks also to many other open-source contributors for their tools, models, and community support.

## Citation

Please cite the paper if you find it helpful:

```bibtex
@article{gigaworld2025,
  title   = {GigaWorld-1: A Roadmap to World Models for Robot Policy Evaluation},
  author  = {{GigaAI}},
  journal = {arXiv preprint},
  year    = {2025},
  eprint  = {2607.02642},
  archivePrefix = {arXiv},
  primaryClass  = {cs.CV}
}
```

## License

This model is released under the Apache License 2.0 unless otherwise specified.
