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openbmb/UltraData-Math

UltraData-Math 🤗 Dataset | 💻 Source Code | 🇨🇳 中文 README UltraData-Math is a large-scale, high-quality mathematical pre-training dataset totaling 290B+ tokens across three progressive tiers—L1 (170.5B tokens web corpus), L2 (33.7B tokens quality-selected), and L3 (88B tokens multi-format refined)—designed to systematically enhance mathematical reasoning in LLMs. It has been applied to the mathematical pre-training of the MiniCPM Series models. It was introduced in… See the full description on the dataset page: https://huggingface.co/datasets/openbmb/UltraData-Math.

Author / organizationopenbmb
License (as declared)apache-2.0
Downloads30.6K (as reported by Hugging Face)
Likes360
Created14 January 2026
Last updated at source15 April 2026
llmpretrainingmathdata-synthesisdata-filteringhigh-qualitymathematical-reasoning
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