OpenR1-Math-220k

OpenR1-Math-220k Dataset description OpenR1-Math-220k is a large-scale dataset for mathematical reasoning. It consists of 220k math problems with two to four reasoning traces generated by DeepSeek R1 for problems from NuminaMath 1.5. The traces were verified using Math Verify for most samples and Llama-3.3-70B-Instruct as a judge for 12% of the samples, and each problem contains at least one reasoning trace with a correct answer. The dataset consists of two… See the full description on the dataset page: https://huggingface.co/datasets/open-r1/OpenR1-Math-220k.

Type: Dataset
Imported from Hugging Face
Popularity: 804 likes on Hugging Face
License: apache-2.0
Source: https://huggingface.co/datasets/open-r1/OpenR1-Math-220k
Updated: 2026-10-01

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