@article{finegrainedgrpoforprecisepreferencealign,
  title = {Fine-Grained GRPO for Precise Preference Alignment in Flow Models},
  author = {Yujie Zhou and Pengyang Ling and Jiazi Bu and Yibin Wang and Yuhang Zang and Jiaqi Wang and Li Niu and Guangtao Zhai},
  year = {2025},
  eprint = {2510.01982},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2510.01982},
}