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100,000 CoT samples released

·2026.04.16 18:13

Key point

A dataset of 100,000 CoT samples for fine-tuning local reasoning models has been released.

Details

A Chain-of-Thought (CoT) dataset of 100,000 samples for local reasoning models has been released on Hugging Face.

Each sample includes not just the correct answer but explicit intermediate reasoning steps, aiming to improve reasoning consistency in supervised fine-tuning.

The releaser is particularly seeking feedback on whether full reasoning traces actually help small local models, or whether they instead hurt performance or quality.

The points the releaser is curious about are as follows.

  • Whether the CoT length is appropriate
  • Whether reasoning style consistency is maintained
  • Whether full reasoning traces help/hurt small models

The dataset has been released on Hugging Face as Kamisori-daijin/email-datasets-v2-100k.

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