LoopTool-8B

Model Card for LoopTool-8B

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Model Details

Model Description

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The LoopTool-8B model is derived from iterative fine-tuning of Qwen3-8B, with a particular emphasis on enhancing the model’s capabilities in tool invocation.

• Developed by: SJTU, Xiaohongshu
• Model type: Causal Language Models
• Finetuned from model Qwen3-8B: https://huggingface.co/Qwen/Qwen3-8B

Model Sources

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• Repository: https://github.com/Rednote-ExperienceAI-Lab/LoopTool
• Paper: https://arxiv.org/abs/2511.09148
• Dataset(Partial) https://huggingface.co/datasets/zhuiguang-ning/LoopTool-23k

Model Performance

The Main Result in BFCL-v3

The Main Result in ACEBench (English)

Citation

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If you find our work helpful, feel free to give us a cite.

@misc{zhang2025looptool,
      title={LoopTool: Closing the Data-Training Loop for Robust LLM Tool Calls}, 
      author={Kangning Zhang and Wenxiang Jiao and Kounianhua Du and Yuan Lu and Weiwen Liu and Weinan Zhang and Lei Zhang and Yong Yu},
      year={2025},
      eprint={2511.09148},
      archivePrefix={arXiv},
      primaryClass={cs.CL},
      url={https://arxiv.org/abs/2511.09148}, 
}