@article{confspecefficientsteplevelspeculativerea,
  title = {ConfSpec: Efficient Step-Level Speculative Reasoning via Confidence-Gated Verification},
  author = {Siran Liu and Cyril Y. He},
  year = {2026},
  eprint = {2602.18447},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2602.18447},
}