@article{capableyetparsimoniousextractingandchara,
  title = {Capable yet Parsimonious: Extracting and Characterizing Hidden Chain-of-Thought in Frontier Models},
  author = {Xiaoyu Luo and Tao Ren and Wenrui Yu and Xiao Li and Qiongxiu Li and Johannes Bjerva},
  year = {2026},
  eprint = {2609.26637},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.26637},
}