The Hierarchical Reasoning Model (HRM) is a recurrent architecture using high-level planning and low-level execution modules to achieve deep latent reasoning. It employs Q-learning for adaptive computation, training a halting mechanism to optimize thinking time. Source: June 2025 Hierarchical Reasoning Model Sapient Intelligence, Singapore; Tsinghua University Guan Wang, Jin Li, Yuhao Sun, Xing Chen, Changling Liu, Yue Wu, Meng Lu, Sen Song, Yasin Abbasi Yadkori https://arxiv.org/pdf/2506.21734