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Zhangchen Xu's picture
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Zhangchen Xu PRO

zhangchenxu
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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 3 days ago
Building a Foundational Guardrail for General Agentic Systems via Synthetic Data
new activity 3 days ago
Agent-Ark/Toucan-1.5M:Clarification on SFT dataset construction for reproducing results
liked a dataset 6 days ago
bigcode/autocodearena-v0
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

zhangchenxu 's collections 1

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

    Paper • 2505.14625 • Published May 20 • 13
  • Sleeping
    1
    1

    TinyV

    💬

    Verify model answers against ground truth

  • zhangchenxu/TinyV-Qwen3-1.7B

    Text Generation • 2B • Updated Jun 22 • 4
  • zhangchenxu/TinyV-Qwen3-1.7B-Think

    Text Generation • 2B • Updated Jun 22 • 10 • 3
TinyV
  • TinyV: Reducing False Negatives in Verification Improves RL for LLM Reasoning

    Paper • 2505.14625 • Published May 20 • 13
  • Sleeping
    1
    1

    TinyV

    💬

    Verify model answers against ground truth

  • zhangchenxu/TinyV-Qwen3-1.7B

    Text Generation • 2B • Updated Jun 22 • 4
  • zhangchenxu/TinyV-Qwen3-1.7B-Think

    Text Generation • 2B • Updated Jun 22 • 10 • 3
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