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Zhangchen Xu's picture
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Zhangchen Xu PRO

zhangchenxu
Tonic's profile picture TaiGary's profile picture Jakumetsu's profile picture
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https://zhangchenxu.com/
  • zhangchen_xu
  • zhangchen-xu
  • zhangchenxu

AI & ML interests

LLM Data, Alignment, Post-Training, Safety

Recent Activity

upvoted a paper 6 days ago
Visual Aesthetic Benchmark: Can Frontier Models Judge Beauty?
updated a dataset about 1 month ago
zhangchenxu/Toucan-SFT-11K
published a dataset about 1 month ago
zhangchenxu/Toucan-SFT-11K
View all activity

Organizations

University of Washington's profile picture UW-NSL's profile picture Magpie Alignment's profile picture Sphynx-LM's profile picture KodCode's profile picture dev-store's profile picture VisualSphinx's profile picture Agent-Ark's profile picture Bake AI's profile picture BakeLab's profile picture

zhangchenxu 's collections 1

TinyV
  • TinyV: Reducing False Negatives in Verification Improves RL for LLM Reasoning

    Paper • 2505.14625 • Published May 20, 2025 • 13
  • Paused
    Agents
    1

    TinyV

    💬
    1

    Verify model answers against ground truth

  • zhangchenxu/TinyV-Qwen3-1.7B

    Text Generation • 2B • Updated Jun 22, 2025 • 10
  • zhangchenxu/TinyV-Qwen3-1.7B-Think

    Text Generation • 2B • Updated Jun 22, 2025 • 14 • 3
TinyV
  • TinyV: Reducing False Negatives in Verification Improves RL for LLM Reasoning

    Paper • 2505.14625 • Published May 20, 2025 • 13
  • Paused
    Agents
    1

    TinyV

    💬
    1

    Verify model answers against ground truth

  • zhangchenxu/TinyV-Qwen3-1.7B

    Text Generation • 2B • Updated Jun 22, 2025 • 10
  • zhangchenxu/TinyV-Qwen3-1.7B-Think

    Text Generation • 2B • Updated Jun 22, 2025 • 14 • 3
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