Helping or Herding? Reward Model Ensembles Mitigate but do not Eliminate Reward Hacking
Jacob Eisenstein, Chirag Nagpal, Alekh Agarwal, Ahmad Beirami, Alex D'Amour, Dj Dvijotham, Adam Fisch, Katherine Heller, Stephen R. Pfohl, Deepak Ramachandran, Peter Shaw, Jonathan Berant
arXiv.org