A study shows naive Q-function pretraining in reinforcement learning yields minimal benefits, challenging previous assumptions. The new Initialization via Policy Ensemble (IPE) method improves performance by utilizing diverse policy rollouts. https://arxiv.org/abs/2607.27203
Do You Really Need to Pretrain Q-Functions for Online RL Fine-Tuning?
ArXiv link for Do You Really Need to Pretrain Q-Functions for Online RL Fine-Tuning?
arxiv.org