@article{tracelengthisasimpleuncertaintysignalinr,
  title = {Trace Length is a Simple Uncertainty Signal in Reasoning Models},
  author = {Siddartha Devic and Charlotte Peale and Arwen Bradley and Sinead Williamson and Preetum Nakkiran and Aravind Gollakota},
  year = {2025},
  eprint = {2510.10409},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2510.10409},
}