Open-o3-Video-v2: Seek, Ground, and Reason with Verifiable Spatio-Temporal Evidence
Oct 13, 2026·,
,,,,,,,·
1 min read
Jiahao Meng
Zhongyuan Bao
Yue Tan
Haiquan Wen
Renrui Zhang
Anna Wang
Jason Li
Yanwei Fu
Yunhai Tong
Ming-Hsuan Yang
Citation: Jiahao Meng, Zhongyuan Bao, Yue Tan, Haiquan Wen, Renrui Zhang, Anna Wang, Jason Li, Yanwei Fu, Yunhai Tong, and Ming-Hsuan Yang (2026). “Open-o3-Video-v2: Seek, Ground, and Reason with Verifiable Spatio-Temporal Evidence.” arXiv preprint arXiv:2610.17656.

Authors
My name is Yue Tan, and you can also call me Tangent. I am a 2022
undergraduate student at the School of Information Science and Technology,
Peking University, and a 2026 Ph.D. student at the School of Computer Science,
Peking University. My research interests include video understanding,
post-training of multimodal large models, image generation and editing, and
video generation.