Dataset · Hugging Face

issdandavis/UltraData-Math

Name: UltraData-Math
Creator: issdandavis
License: apache-2.0
Keywords: task_categories:text-generation, language:en, language:zh, license:apache-2.0, size_categories:100M<n<1B, format:parquet, modality:text, library:datasets, library:dask, library:polars, library:mlcroissant, region:us, llm, pretraining, math

Status: mirror of an upstream dataset. Not original SCBE work and not an SCBE experiment: this is a copy of the public UltraData-Math corpus (290B+ tokens, 181.2M rows, 552 GB). Kept as a pretraining source. Original SCBE data: scbe-aethermoore-training-data. 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… See the full description on the dataset page: https://huggingface.co/datasets/issdandavis/UltraData-Math.

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Author / organization	issdandavis
License (as declared)	apache-2.0
Downloads	467 (as reported by Hugging Face)
Likes	2
Created	19 February 2026
Last updated at source	29 July 2026

llmpretrainingmathdata-synthesisdata-filteringhigh-qualitymathematical-reasoningmirror

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