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Dataset · Hugging Face

AI-MO/NuminaMath-1.5

Dataset Card for NuminaMath 1.5 Dataset Summary This is the second iteration of the popular NuminaMath dataset, bringing high quality post-training data for approximately 900k competition-level math problems. Each solution is formatted in a Chain of Thought (CoT) manner. The sources of the dataset range from Chinese high school math exercises to US and international mathematics olympiad competition problems. The data were primarily collected from online exam paper PDFs… See the full description on the dataset page: https://huggingface.co/datasets/AI-MO/NuminaMath-1.5.

Author / organizationAI-MO
License (as declared)apache-2.0
Downloads97.6K (as reported by Hugging Face)
Likes202
Created10 February 2025
Last updated at source29 January 2026
mathpost-training
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