@article{lengthpenaltiesmakechainofthoughtlessmon,
  title = {Length Penalties Make Chain-of-Thought Less Monitorable},
  author = {Bryce Little},
  year = {2026},
  eprint = {2607.09786},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2607.09786},
}