Dataset · Hugging Face

ESHMO-AI/OpenThoughts2-1M

Name: OpenThoughts2-1M
Creator: ESHMO-AI
License: apache-2.0
Keywords: license:apache-2.0, size_categories:1M<n<10M, format:parquet, modality:text, library:datasets, library:dask, library:polars, library:mlcroissant, arxiv:2506.04178, region:us, synthetic, curator

[!NOTE] We have released a paper for OpenThoughts! See our paper here. OpenThoughts2-1M Open synthetic reasoning dataset with 1M high-quality examples covering math, science, code, and puzzles! OpenThoughts2-1M builds upon our previous OpenThoughts-114k dataset, augmenting it with existing datasets like OpenR1, as well as additional math and code reasoning data. This dataset was used to train OpenThinker2-7B and OpenThinker2-32B. Inspect the content with rich… See the full description on the dataset page: https://huggingface.co/datasets/ESHMO-AI/OpenThoughts2-1M.

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Author / organization	ESHMO-AI
License (as declared)	apache-2.0
Downloads	132 (as reported by Hugging Face)
Likes	0
Created	16 June 2026
Last updated at source	16 June 2026

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