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[📜 Arxiv] •[💬 HF Paper] •[🤗 Models] •[🐱 GitHub]

Figure 1: Rho-1 is pre-trained with Selective Language Modeling (SLM). SLM improves average few-shot accuracy on GSM8k and MATH by over 16%, achieving the baseline performance 5-10x faster.

• [2024/04/12] 🔥🔥🔥 Rho-Math-v0.1 models released at 🤗 HuggingFace!
  • Rho-Math-1B andRho-Math-7B achieve 15.6% and 31.0% few-shot accuracy on MATH dataset, respectively — matching DeepSeekMath with only 3% of the pretraining tokens.
  • Rho-Math-1B-Interpreter is the first 1B LLM that achieves over 40% accuracy on MATH.
  • Rho-Math-7B-Interpreter achieves 52% on MATH dataset, using only 69k samples for fine-tuning.
• [2024/04/11] Rho-1 paper and repo released.

Rho-1 base models employ Selective Language Modeling (SLM) for pretraining, which selectively trains on clean and useful tokens that aligned with the desired distribution.

Figure 2:Upper: Even an extensively filtered pretraining corpus contains token-level noise.Left: Previous Causal Language Modeling (CLM) trains on all tokens.Right: Our proposed Selective Language Modeling (SLM) selectively applies loss on those useful and clean tokens.

Figure 3:The pipeline of Selective Language Modeling. SLM optimizes language model performance by concentrating on valuable, clean tokens during pre-training. It involves three steps: (Step 1) Initially, train a reference model on high-quality data. (Step 2) Then, score each token's loss in a corpus using the reference model. (Step 3) Finally, train the language model selectively on tokens that show higher excess loss compared to the reference loss.

Base models (Few-shot CoT):

Tool-integrated reasoning (Code Interpreter):

cd rho-1/math-evaluation-harness

Base model few-shot evaluation:

bash scripts/run_eval.sh cot microsoft/rho-math-7b-v0.1

SFT model (code-interpreter) evaluation:

bash scripts/run_eval.sh tora microsoft/rho-math-7b-interpreter-v0.1

Our reproduced outputs are provided inrho-1/outputs.zip.

This project welcomes contributions and suggestions. Most contributions require you to agree to aContributor License Agreement (CLA) declaring that you have the right to, and actually do, grant usthe rights to use your contribution. For details, visithttps://cla.opensource.microsoft.com.

If you find this repository helpful, please consider citing our paper:

@misc{lin2024rho1,      title={Rho-1: Not All Tokens Are What You Need},       author={Zhenghao Lin and Zhibin Gou and Yeyun Gong and Xiao Liu and Yelong Shen and Ruochen Xu and Chen Lin and Yujiu Yang and Jian Jiao and Nan Duan and Weizhu Chen},      year={2024},      eprint={2404.07965},      archivePrefix={arXiv},      primaryClass={cs.CL}}