@article{whatismissingfromaiposttrainingaianempir,
  title = {What is Missing from AI Post-Training AI: An Empirical Analysis},
  author = {Joy Jia Yin Lim and Xin Huang and Hao Peng and Yaxi Lu and Xin Cong and Zhong Zhang and Maosong Sun and Yankai Lin},
  year = {2026},
  eprint = {2608.19072},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2608.19072},
}