Several frontier models are substantially prefill aware

This blog post discusses work in a recently-published paper. However, this blogpost was primarily written by Parv Mahajan and Andy Wang, and several of the more speculative takes may not represent the all-things-considered view of the entire team.Link to paper: https://arxiv.org/abs/2606.12747TL;DR:We provide more conceptual grounding and extend results in prefill awareness to low-stakes settings, and show that several frontier models show prefill awareness even under conservative elicitation.Fu...