arXivJinyang Zhang, Hongxin Ding, Yue Fang, Weibin Liao, Muyang Ye, Junfeng Zhao, Yasha WangThu, Jun 4, 2026, 6:59 AM PDT
score 17.0
Measuring reasoning intensity in AI models via hidden state magnitude
Original: The Tell-Tale Norm: $\ell_2$ Magnitude as a Signal for Reasoning Dynamics in Large Language Models
Source: arxiv.org ↗
Writing ELI5 summary…