#rubric

2 articles

01 ·Inference & Serving·★ MEMBER·PAPER·8 min read Paper Explained: RewardVerse — A Video Reward Model That Writes the Rubric Before It Scores (RGPO) Video reward models tend to squeeze their scores into a narrow band, and those scores move when the wording changes. The paper calls this scalar drift. RewardVerse first generates an evaluation rubric, then reads a continuous score for each item from token probabilities. Its two-stage RGPO training uses only 30 preference pairs per dimension. 02 ·Training & Alignment·★ MEMBER·PAPER·11 min read Paper Walkthrough: PaperGym — Turning One Paper Into a Graded Training Environment for Research Plans A research plan has no answer key, so reinforcement learning has no environment. This paper splits each paper into four drawers and builds the question and the grading criteria from different drawers, producing 20,000 training environments where paraphrasing the prompt no longer earns reward.