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WAM-Diff: A Masked Diffusion VLA Framework with MoE and Online Reinforcement Learning for Autonomous Driving
| Date | Stars |
|---|---|
| 2026-07-31 | 296 |
| 2026-08-01 | 296 |
| 2026-08-02 | 296 |
| 2026-08-11 | 296 |
| 2026-08-12 | 296 |
| 2026-08-13 | 297 |
| 2026-08-18 | 297 |
| 2026-08-21 | 297 |
| 2026-08-25 | 298 |
| 2026-09-01 | 299 |
| 2026-09-06 | 300 |
| 2026-09-13 | 300 |
| 2026-09-20 | 300 |
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<h1 align='center'>WAM-Diff: A Masked Diffusion VLA Framework with MoE and Online Reinforcement Learning for Autonomous Driving</h1>
<div align='center'>
<a href='https://github.com/xumingw' target='_blank'>Mingwang Xu</a><sup>1*</sup> 
<a href='https://cuijh26.github.io/' target='_blank'>Jiahao Cui</a><sup>1*</sup> 
<a href='https://github.com/fudan-generative-vision/WAM-Diff' target='_blank'>Feipeng Cai</a><sup>2*</sup> 
<a href='https://github.com/NinoNeumann' target='_blank'>Hanlin Shang</a><sup>1*</sup> 
<a href='https://github.com/SSSSSSuger' target='_blank'>Zhihao Zhu</a><sup>1</sup> 
<a href='https://github.com/isan089' target='_blank'>Shan Luan</a><sup>1</sup> 
</div>
<div align='center'>
<a href='https://github.com/YoucanBaby' target='_blank'>Yifang Xu</a><sup>1</sup> 
<a href='https://github.com/fudan-generative-vision/WAM-Diff' target='_blank'>Neng Zhang</a><sup>2</sup> 
<a href='https://github.com/fudan-generative-vision/WAM-Diff' target='_blank'>Yaoyi Li</a><sup>2</sup> 
<a href='https://github.com/fudan-generative-vision/WAM-Diff' target='_blank'>Jia Cai</a><sup>2</sup> 
<a href='https://sites.google.com/site/zhusiyucs/home' target='_blank'>Siyu Zhu</a><sup>1</sup> 
</div>
<div align='center'>
<sup>1</sup>Fudan University  <sup>2</sup>Yinwang Intelligent Technology Co., Ltd 
</div>
<br>
<div align='center'>
<a href='https://github.com/fudan-generative-vision/WAM-Diff'><img src='https://img.shields.io/github/stars/fudan-generative-vision/WAM-Diff?style=social'></a>
<a href='https://arxiv.org/abs/2512.11872'><img src='https://img.shields.io/badge/Paper-Arxiv-red'></a>
<a href='https://huggingface.co/fudan-generative-ai/WAM-Diff'><img src='https://img.shields.io/badge/%F0%9F%A4%97%20HuggingFace-Model-yellow'></a>
</div>
<br>
## 📰 News
- **`2025/02/01`**: 🎉🎉🎉 Release the pretrained models on [Huggingface](https://huggingface.co/fudan-generative-ai/WAM-Diff).
- **`2025/12/06`**: 🎉🎉🎉 Paper submitted on [Arxiv](https://arxiv.org/pdf/2512.11872).
## 📅️ Roadmap
| Status | Milestone | ETA |
| :----: | :----------------------------------------------------------------------------------------------------: | :--------: |
| ✅ | **[Release the inference source code](https://github.com/fudan-generative-vision/WAM-Diff)** | 2025.12.21 |
| ✅ | **[Release the SFT and inf code](https://github.com/fudan-generative-vision/WAM-Diff)** | 2025.12.21 |
| ✅ | **[Release pretrained models on Huggingface](https://huggingface.co/fudan-generative-ai/WAM-Diff)** | 2026.02.01 |
| 🚀 | **[Release NAVSIM evaluation code](https://huggingface.co/fudan-generative-ai/WAM-Diff)** | TBD |
| 🚀 | **[Release the RL code](https://github.com/fudan-generative-vision/WAM-Diff)** | TBD |
## 🔧️ Framework
## 🏆 Qualitative Results on NAVSIM
### NAVSIM-v1 benchmark results
<div style="text-align: center;">
<img src="assets/navsim-v1.png" alt="navsim-v1" width="70%" />
</div>
### NAVSIM-v2 benchmark results
<div style="text-align: center;">
<img src="assets/navsim-v2.png" alt="navsim-v2" width="90%" />
</div>
## Quick Inference Demo
The WAM-Diff will be available on Hugging Face Hub soon. To quickly test the model, follow these simple steps:
1. **Clone the repository**
```bash
git clone https://github.com/fudan-generative-vision/WAM-Diff
cd WAM-Diff
```
2. **Initialize the environment**
If you prefer conda, run the environment setup script to install necessary dependencies:
```bash
bash init_env.sh
```
Or you can use uv to create the environment:
```bash
uv venv && uv sync
```
3. **Prepare the Model**
Download the pretrained [WAM-Diff](Excerpt of 6,342 characters
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matched fp:a3a582616c09371b, topic:autonomous-driving, desc:autonomous driving