@article{impromptuvlaopenweightsandopendatafor,
  title = {Impromptu VLA: Open Weights and Open Data for Driving Vision-Language-Action Models},
  author = {Haohan Chi and Huan-ang Gao and Ziming Liu and Jianing Liu and Chenyu Liu and Jinwei Li and Kaisen Yang and Yangcheng Yu and Zeda Wang and Wenyi Li and Leichen Wang and Xingtao Hu and Hao Sun and Hang Zhao and Hao Zhao},
  year = {2025},
  eprint = {2505.23757},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2505.23757v1},
}