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OpenThoughts3 - A new SOTA Reasoning Data Recipe | Open Thoughts

openthoughts.ai · 517 words · saved by 1 readers

Pushing the boundaries of open reasoning datasets through rigorous experimentation.

OpenThinker3-7B is the SOTA open-data reasoning model at its scale. Our model achieves 53% on AIME 2025, 51% on LiveCodeBench 06/24-01/25, and 54% on GPQA Diamond, representing improvements of 15.3, 17.2, and 20.5 percentage points compared to DeepSeek-R1-Distill-Qwen-7B. All of our datasets and models are available on Hugging Face . We trained OpenThinker3-7B using only supervised fine-tuning, without any reinforcement learning. The key to our model’s performance is our new dataset, OpenThoughts3-1.2M . This dataset comprises 1.2 million questions across math, code, and science domains, with

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