@article{flowgrpotrainingflowmatchingmodelsvia,
  title = {Flow-GRPO: Training Flow Matching Models via Online RL},
  author = {Jie Liu and Gongye Liu and Jiajun Liang and Yangguang Li and Jiaheng Liu and Xintao Wang and Pengfei Wan and Di Zhang and Wanli Ouyang},
  year = {2025},
  eprint = {2505.05470},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2505.05470v2},
}