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Contact: yangyic@NVIDIA.com

I’m a research scientist at NVIDIA. I received my Ph.D. in Computer Science from the University of Illinois at Urbana-Champaign (Advisor: Prof. Heng Ji). At NVIDIA, I work on LLMs post-training and LLM-based coding agents.

Experience / Education

• NVIDIA, Research Scientist; 2025-Present

• University of Illinois Urbana-Champaign, Ph.D. in Computer Science; 2022-2025

• Huazhong University of Science and Technology, BS in Software Engineering; 2018-2022

Recent Publications

[Full Publications]

^* indicates equal contribution

• Prioritizing Image-Related Tokens Enhances Vision-Language Pre-Training [paper]
  Yangyi Chen, Hao Peng, Tong Zhang, Heng Ji
  Arxiv 2025

• Scaling Laws for Predicting Downstream Performance in LLMs [paper]
  Yangyi Chen, Binxuan Huang, Yifan Gao, Zhengyang Wang, Jingfeng Yang, Heng Ji
  TMLR 2025

• A Single Transformer for Scalable Vision-Language Modeling [paper]
  Yangyi Chen^*, Xingyao Wang^*, Hao Peng, Heng Ji
  TMLR 2024

• Executable Code Actions Elicit Better LLM Agents [paper]
  Xingyao Wang, Yangyi Chen, Lifan Yuan, Yizhe Zhang, Yunzhu Li, Hao Peng, Heng Ji
  ICML 2024