@article{gradaligngradientaligneddataselectionfor,
  title = {GradAlign: Gradient-Aligned Data Selection for LLM Reinforcement Learning},
  author = {Ningyuan Yang and Weihua Du and Weiwei Sun and Sean Welleck and Yiming Yang},
  year = {2026},
  eprint = {2602.21492},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2602.21492},
}