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s1 is a reasoning model finetuned from Qwen2.5-32B-Instruct on just 1,000 examples. It matches o1-preview & exhibits test-time scaling via budget forcing.
| Metric | s1-32B | s1.1-32B | o1-preview | o1 | DeepSeek-R1 | DeepSeek-R1-Distill-Qwen-32B |
|---|---|---|---|---|---|---|
| # examples | 1K | 1K | ? | ? | >800K | 800K |
| AIME2024 | 56.7 | 56.7 | 40.0 | 74.4 | 79.8 | 72.6 |
| AIME2025 I | 26.7 | 60.0 | 37.5 | ? | 65.0 | 46.1 |
| MATH500 | 93.0 | 95.4 | 81.4 | 94.8 | 97.3 | 94.3 |
| GPQA-Diamond | 59.6 | 63.6 | 75.2 | 77.3 | 71.5 | 62.1 |
1@misc{muennighoff2025s1simpletesttimescaling,
2 title={s1: Simple test-time scaling},
3 author={Niklas Muennighoff and Zitong Yang and Weijia Shi and Xiang Lisa Li and Li Fei-Fei and Hannaneh Hajishirzi and Luke Zettlemoyer and Percy Liang and Emmanuel Candès and Tatsunori Hashimoto},
4 year={2025},
5 eprint={2501.19393},
6 archivePrefix={arXiv},
7 primaryClass={cs.CL},
8 url={https://arxiv.org/abs/2501.19393},
9}