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Qwen2.5 Technical Report

Authors: Qwen, :, An Yang, Baosong Yang, Beichen Zhang, Binyuan Hui, Bo Zheng, Bowen Yu, Chengyuan Li, Dayiheng Liu, Fei Huang, Haoran Wei, Huan Lin, Jian Yang, Jianhong Tu, Jianwei Zhang, Jianxin Yang, Jiaxi Yang, Jingren Zhou, Junyang Lin, Kai Dang, Keming Lu, Keqin Bao, Kexin Yang, Le Yu, Mei Li, Mingfeng Xue, Pei Zhang, Qin Zhu, Rui Men, Runji Lin, Tianhao Li, Tianyi Tang, Tingyu Xia, Xingzhang Ren, Xuancheng Ren, Yang Fan, Yang Su, Yichang Zhang, Yu Wan, Yuqiong Liu, Zeyu Cui, Zhenru Zhang, Zihan Qiu (2024)

arXiv: 2412.15115

Domains

Pretraining

TLDR (English)

18T token pre-training, 0.5B-72B full suite + specialized Coder/Math sub-families; one of most stable open-source Chinese-English LLMs of 2024-2025. Long-term top in Hugging Face downloads/fine-tuning.

TLDR(中文)

18T token 预训练,0.5B–72B 全家桶 + 专业 Coder/Math 子家族;是 2024-2025 最稳定的开源中英 LLM 之一。Hugging Face 下载/微调量长期 Top。

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