Papers2

#Best-of-N selection

PhyCritic: Multimodal Critic Models for Physical AI

Tianyi Xiong, Shihao Wang et al.Feb 11arXiv

PhyCritic is a judge model that checks other AI models’ answers about the physical world, like cooking steps, robot actions, or driving choices.

#Physical AI#Multimodal critic#Self-referential training

Multimodal RewardBench 2: Evaluating Omni Reward Models for Interleaved Text and Image

Intermediate

Yushi Hu, Reyhane Askari-Hemmat et al.Dec 18arXiv

Reward models are like scorekeepers that tell AI which answers people like more, and this paper builds the first big test for scorekeepers that judge both pictures and words together.

#Multimodal reward model#Benchmarking omni models#Interleaved text-image evaluation