Fan Zhou
Fan Zhou is a computer science researcher whose work spans language-model training data, test-time scaling, and Qwen models. He completed computer science degrees at Shanghai Jiao Tong University and held research positions at Microsoft and the University of Hong Kong. He coauthored ProX, a framework that uses small language models to refine pretraining data, and a paper on test-time scaling and cognition engineering. In 2025, he coauthored the Qwen3 and Qwen3-Omni technical reports; in 2026, he coauthored a Qwen3-Coder-Next report. Since April 2025, he is a computer science PhD student at Shanghai Jiao Tong University, advised by Pengfei Liu.
Timeline
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2017–2024
Computer science at SJTU
At Shanghai Jiao Tong University, he studies computer science, earning an undergraduate degree in 2021 and completing a master’s degree in 2024.
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2021–2022
Microsoft research internship
In October 2021, he joins Microsoft as a research intern and leaves in March 2022.
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2023
Research assistant at HKU
From April 2023 to December 2023, he works as a research assistant at the University of Hong Kong.
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2025
ProX for pretraining data
In 2025, he coauthors Programming Every Example (ProX), a framework that uses small language models to generate programs for refining pretraining examples. The work appears in the Proceedings of the 42nd International Conference on Machine Learning.
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2025
Test-time scaling and cognition
In 2025, he coauthors Generative AI Act II, a paper about test-time scaling and cognition engineering in large language models.
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2025
Qwen3 model reports
In 2025, he coauthors the Qwen3 Technical Report, which introduces the Qwen3 family of dense and mixture-of-experts language models. He also coauthors Qwen3-Omni, a multimodal model spanning text, images, audio, and video.
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2026
Qwen3-Coder-Next technical report
In 2026, he coauthors Qwen3-Coder-Next Technical Report, which presents an open-weight language model specialized for coding agents.
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Since April 2025
PhD study at SJTU
He works as a research intern at Qwen from June 2025 to February 2026. Since April 2025, he is a computer science PhD student at Shanghai Jiao Tong University, advised by Pengfei Liu, and focuses on foundation models and agentic systems.
Sources and credits
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- Fan Zhou | alphaXiv
- ProX: Lifting Pre-training Data Quality Like Experts
- Programming Every Example: Lifting Pre-training Data Quality Like Experts at Scale
- Generative AI Act II: Test Time Scaling Drives Cognition Engineering
- Qwen3 Technical Report
- Qwen3-Omni Technical Report
- Qwen3-Coder-Next Technical Report