@article{whydoreasoningmodelslosecoveragetheroleo,
  title = {Why Do Reasoning Models Lose Coverage? The Role of Data and Forks in the Road},
  author = {Ngoc-Hieu Nguyen and Parshin Shojaee and Phuc Minh Nguyen and Nan Zhang and Chandan K Reddy and Khoa D Doan and Rui Zhang},
  year = {2026},
  eprint = {2605.17026},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.17026},
}