collaborators

11 papers

cs.AI2025

OpenDataArena: A Fair and Open Arena for Benchmarking Post-Training Dataset Value

Mengzhang Cai, Xin Gao, Yu Li +13

The rapid evolution of Large Language Models (LLMs) is predicated on the quality and diversity of post-training datasets. However, a critical dichotomy persists: while models are r…

cs.CL2025

Scaling Code-Assisted Chain-of-Thoughts and Instructions for Model Reasoning

Honglin Lin, Qizhi Pei, Xin Gao +5

Reasoning capability is pivotal for Large Language Models (LLMs) to solve complex tasks, yet achieving reliable and scalable reasoning remains challenging. While Chain-of-Thought (…

cs.LG2025

ScaleDiff: Scaling Difficult Problems for Advanced Mathematical Reasoning

Qizhi Pei, Zhuoshi Pan, Honglin Lin +6

Large Reasoning Models (LRMs) have shown impressive capabilities in complex problem-solving, often benefiting from training on difficult mathematical problems that stimulate intric…

cs.AI2025

Can One Domain Help Others? A Data-Centric Study on Multi-Domain Reasoning via Reinforcement Learning

Yu Li, Zhuoshi Pan, Honglin Lin +3

Reinforcement Learning with Verifiable Rewards (RLVR) has emerged as a powerful paradigm for enhancing the reasoning capabilities of LLMs. Existing research has predominantly conce…

cs.CL2025

REST: Stress Testing Large Reasoning Models by Asking Multiple Problems at Once

Zhuoshi Pan, Qizhi Pei, Yu Li +5

Recent Large Reasoning Models (LRMs) have achieved remarkable progress on task-specific benchmarks, yet their evaluation methods remain constrained by isolated problem-solving para…

cs.AI2025

IDEAL: Data Equilibrium Adaptation for Multi-Capability Language Model Alignment

Chenlin Ming, Chendi Qu, Mengzhang Cai +6

Large Language Models (LLMs) have achieved impressive performance through Supervised Fine-tuning (SFT) on diverse instructional datasets. When training on multiple capabilities sim…