OpenThoughts-114k Reasoning Dataset

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OpenThoughts-114k is an open source reasoning dataset that focuses on areas such as mathematics, code, science, and puzzles, and contains 114,000 high-quality samples. The dataset was released by Open Thoughts in 2025 and aims to train small reasoning models to outperform existing large models (such as DeepSeek-R1-Distill-Qwen-32B and DeepSeek-R1-Distill-Qwen-7B) on mathematical and code reasoning tasks.