Group Relative Policy Optimization (GRPO)

A new arXiv paper submitted on 27 Aug 2026 systematizes the parallel and distributed systems foundations of training Reasoning Language Models (RLMs) such as DeepSeek-R1, o3, and Kimi k1.5, noting tha…

Training Qwen3-8B with GRPO on medical and science rubrics leads to reward hacking, where the training judge's score rises while a stronger gold judge's score falls by 3 points on HealthBench-Hard and…

Researchers introduce ConVBench, a benchmark for evaluating logical consistency in Large Vision-Language Models (LVLMs), pairing each image with two logically equivalent questions across six categorie…