activity
20242026
collaborators

5 papers

cs.LG2026

Segmental Advantage Estimation: Enhancing PPO for Long-Context LLM Training

Xue Gong, Qi Yi, Ziyuan Nan +8

Training Large Language Models (LLMs) for reasoning tasks is increasingly driven by Reinforcement Learning with Verifiable Rewards (RLVR), where Proximal Policy Optimization (PPO)…

cs.LG2025

Low-probability Tokens Sustain Exploration in Reinforcement Learning with Verifiable Reward

Guanhua Huang, Tingqiang Xu, Mingze Wang +7

Reinforcement Learning with Verifiable Rewards (RLVR) has propelled Large Language Models in complex reasoning, yet its scalability is often hindered by a training bottleneck where…

cs.CL2025

ArtifactsBench: Bridging the Visual-Interactive Gap in LLM Code Generation Evaluation

Chenchen Zhang, Yuhang Li, Can Xu +17

The generative capabilities of Large Language Models (LLMs) are rapidly expanding from static code to dynamic, interactive visual artifacts. This progress is bottlenecked by a crit…

cs.CL2025

Reinforcement Learning on Pre-Training Data

Siheng Li, Kejiao Li, Zenan Xu +33

The growing disparity between the exponential scaling of computational resources and the finite growth of high-quality text data now constrains conventional scaling approaches for…

cs.AI2024

From Novice to Expert: LLM Agent Policy Optimization via Step-wise Reinforcement Learning

Zhirui Deng, Zhicheng Dou, Yutao Zhu +4

The outstanding capabilities of large language models (LLMs) render them a crucial component in various autonomous agent systems. While traditional methods depend on the inherent k…