This work finds that simple difference of means vectors coherently represent reward hacking in Kimi K3, GLM 5.2, and Qwen 3.8 Max, and provides evidence that simple, white-box methods can be used to scalably study and monitor reward hacking behaviors in frontier open source models.
Leon Bergen, Usha Bhalla, Andrew Lee et al.· 0 citations
Puzzling internal representations as a practical tool for calibrating, auditing, and triaging language model forecasters and reasoning models more broadly is established.
Raphael Sarfati, P. Tiwari, S. Boppana et al.· arXiv.org· 2 citations· ⚡1
This work investigates how MLLMs learn novel concepts by introducing concepts in unimodal pre-training or multimodal fine-tuning, and evaluates the model’s ability to generalize between the two settings, and evaluates how deeply a model maps concepts across modalities.
S. Boppana, Tian Yun, C. Curto et al.· 0 citations
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