2026
VisualPRM400K: An Effective Dataset for Training Multimodal Process Reward Models
ICLR 2026poster
We construct VisualPRM400K, a dataset comprising about 400K multimodal process supervision data. Building upon this dataset, we develop VisualPRM, an advanced multimodal Process Reward Model (PRM) capable of estimating the value score of each step during the reasoning process. Under the Best-of-N ev…