@article{llmpromptdueloptimizerefficientlabelfree,
  title = {LLM Prompt Duel Optimizer: Efficient Label-Free Prompt Optimization},
  author = {Yuanchen Wu and Saurabh Verma and Justin Lee and Fangzhou Xiong and Poppy Zhang and Amel Awadelkarim and Xu Chen and Yubai Yuan and Shawndra Hill},
  year = {2025},
  eprint = {2510.13907},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2510.13907},
}