Zangwei Zheng
ιε₯ε·, Ph.D.
Full Stack Developer & AI Researcher Tech Lead at HPC-AI Tech
About
Hi, I'm Zangweiπ, founder of Open-Sora and Video-Ocean. I'm working on AI-powered video generation and SaaS products that bridge research and real-world creativity.
I earned my Ph.D. from
National University of Singapore (NUS), advised by Prof. Yang You. I had my research intern in
Bytedance, mentored by Xuan Zhou and Youlong Cheng. I received my B.Sc. in Computer Science from
Nanjing University (NJU). I worked remotely as a research intern at
UC Berkeley for a year, mentored by Dr. Xiangyu Yue and Prof. Alberto L. Sangiovanni-Vincentelli. You can find more about my background in my CV.
π¬ Research Interests: Video Generation, Efficient ML and DL (Deep Learning) Optimization.
Latest News
New homepage zangwei.dev launched! Welcome to visit!
New homepage zangwei.dev launched! Welcome to visit!
π nextjs-portfolio-blog-research template for this site is also available on GitHub. On click and deploy your own homepage in minutes.
Video-Ocean Agent Online
Video-Ocean Agent Online
π Video-Ocean Agent is now online! Generate videos up to minutes with a few clicks.
Ph.D. Graduated
Ph.D. Graduated
π Graduated from HPC-AI Lab @ NUS. Thanks to my supervisor and friends' help! Congratulations to myself!
Open-Sora 2.0
Released!
Open-Sora 2.0 Released!
π Despite constrained computational resources, it achieves Sora-level metrics, fulfilling our goal of providing an open-source implementation of Sora.

InfoBatch: Dataset Pruning on the Fly
InfoBatch: Dataset Pruning on the Fly
InfoBatch accelerates model training by pruning easy samples and reweighting losses, achieving up to 40% faster training without sacrificing accuracy across diverse tasks.
Authors: Ziheng Qin, Kai Wang, Zangwei Zheng, Jianyang Gu, Xiangyu Peng, Zhaopan Xu, Daquan Zhou, Lei Shang, Baigui Sun, Xuansong Xie, Yang You
Skills
Internship & Work Experience
HPC-AI Tech
Bytedance
UC Berkeley
Awards & Honors
Awards & Honors
Research Achievement Award of NUS
ACL 2023 Outstanding Paper Award
AAAI 2023 Distinguished Paper Award
Papers with Code Contributor Award
Outstanding Graduates of Nanjing University
Academic Services
CS5242: Neural Networks and Deep Learning
Algorithm Analysis & Design
Invited Talks
National University of Singapore
National University of Singapore
From Video Generation to Commercial Agents
Nvidia, invited by Yuyang Zhao
Nvidia, invited by Yuyang Zhao
Efficient Training with Open-Sora
National University of Singapore
National University of Singapore
Video Generation Model
Did you know?
A few interesting things about me
AI Tools
The AI models and services I use are handpicked for their performance and reliability.
Academic Lineage
I am a 18th-generation academic descendant of Isaac Newton! From Newton to the present β a centuries-long mentorship chain spanning over 350 years.
Family Lineage
I am a 99th-generation descendant of You Ji (姬ε), Duke Huan of Zheng (ιζ‘ε ¬) from ~800 BC! My family lineage spans over 2,800 years of Chinese history, from ancient Zhou dynasty to the present.
Values
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