Papers2

#Multimodal reasoning

Harder Is Better: Boosting Mathematical Reasoning via Difficulty-Aware GRPO and Multi-Aspect Question Reformulation

This paper says that to make math-solving AIs smarter, we should train them more on the hardest questions they can almost solve.

#Mathematical reasoning#RLVR#GRPO

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