@article{prefpopairwisepreferencepromptoptimizati,
  title = {PrefPO: Pairwise Preference Prompt Optimization},
  author = {Rahul Singhal and Pradyumna Tambwekar and Karime Maamari},
  year = {2026},
  eprint = {2603.19311},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2603.19311},
}