Tencent Hunyuan · Researcher / HKUST Ph.D.

Tianyi Bai

I am a Researcher at Tencent Hunyuan, working on computer use agents, web development (WebDev), and visual agents. I received my Ph.D. in Computer Science and Engineering from HKUST in August 2026, advised by Prof. Binhang Yuan. My research interests also include multimodal reasoning and data-centric AI, and I collaborate with Prof. Wentao Zhang at PKU DCAI. Feel free to email me about research or collaboration.

CV Google Scholar Email GitHub

Research Interests Computer Use Agent Web Development Visual Agent Data-Centric AI

Selected Publications

Data-Centric AISIGMOD 2027

DataFlow: An LLM-Driven Framework for Unified Data Preparation and Workflow Automation in the Era of Data-Centric AI

DataFlow Team · Core contributor

Computer Use AgentTechnical Report · 2026

Qwen-CUA: Native Computer Use for (almost) Everything

Qwen Team · Core contributor

Multimodal GeometryICML 2026

Synthesizing Multimodal Geometry Datasets from Scratch and Enabling Visual Alignment via Plotting Code

Haobo Lin, Tianyi Bai Mentor, Chen Chen, Jiajun Zhang, Bohan Zeng, Wentao Zhang, Binhang Yuan

Multimodal ReasoningNeurIPS 2025

Hallucination at a Glance: Controlled Visual Edits and Fine-Grained Multimodal Learning

Tianyi Bai, Yuxuan Fan, Jiantao Qiu, Fupeng Sun, Jiayi Song, Junlin Han, Zichen Liu, Conghui He, Wentao Zhang, Binhang Yuan

Visual ReasoningNeurIPS 2025

Multi-Step Visual Reasoning with Visual Tokens Scaling and Verification

Tianyi Bai, Zengjie Hu, Fupeng Sun, Jiantao Qiu, Yizhen Jiang, Guangxin He, Bohan Zeng, Conghui He, Binhang Yuan, Wentao Zhang

Data SelectionACL 2025 Main

Efficient Pretraining Data Selection for Language Models via Multi-Actor Collaboration

Tianyi Bai, Ling Yang, Zhen Hao Wong, Fupeng Sun, Jiahui Peng, Xinlin Zhuang, Chi Zhang, Lijun Wu, Jiantao Qiu, Wentao Zhang, Binhang Yuan, Conghui He

Data-Centric AIACM Computing Surveys, major revision

A Survey of Multimodal Large Language Model from A Data-centric Perspective

Tianyi Bai, Hao Liang, Binwang Wan, Ling Yang, Bozhou Li, Yifan Wang, Bin Cui, Conghui He, Binhang Yuan, Wentao Zhang

Coding AgentTechnical Report

Qwen3-Coder-Next Technical Report

Qwen Team

Experience

• Current / Tencent HunyuanResearcher
  Developing computer use agents, web development capabilities, and visual agents.
• Previously / Alibaba Qwen TeamResearch Intern
  I worked on computer use for Qwen3.5 / Qwen3.6 and browser use for Qwen3-Coder, spanning data construction, training, and evaluation.
• Dec 2023 - Dec 2025 / Peking University DCAI GroupResearch Assistant
  I contribute to DataFlow, with a focus on code-data workflows, code data pipeline construction, data processing, and quality filtering for training-ready code data.
• Mar 2024 - May 2025 / Shanghai Artificial Intelligence Laboratory, OpenDataLabResearch Intern
  I worked on data preparation and selection for LLM pretraining, including data management strategies for InternLM3-8B and Ray-based labeling pipelines for data selection.
• Jul 2021 - Jul 2023 / Peking University DAIR GroupResearch Assistant
  I studied transfer learning for Bayesian optimization and hyperparameter tuning. This work led to a KDD 2022 paper on transfer-learning-based search space design.