@article{rewardscorematchingunifyingrewardbasedfi,
  title = {Reward Score Matching: Unifying Reward-based Fine-tuning for Flow and Diffusion Models},
  author = {Jeongjae Lee and Jinho Chang and Jeongsol Kim and Jong Chul Ye},
  year = {2026},
  eprint = {2604.17415},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2604.17415},
}