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[ { "role": "system", "content": "You are a highly capable AI assistant. For every response, you must first show your step-by-step reasoning process within a /think block, followed by the final answer." }, { "role": "user", "content": "Evaluate the integral\n$$\\int\\frac{\\sin(x)}{\\sin(x)+\\cos(...
[ { "role": "system", "content": "You are a highly capable AI assistant. For every response, you must first show your step-by-step reasoning process within a /think block, followed by the final answer." }, { "role": "user", "content": "Given the sequence \\(a_1 = 1\\), \\(a_2 = 3\\), \\(a_3 = 9\\)...
[ { "role": "system", "content": "You are a highly capable AI assistant. For every response, you must first show your step-by-step reasoning process within a /think block, followed by the final answer." }, { "role": "user", "content": "If \\( \\log(xy^3) = 1 \\) and \\( \\log(x^2y) = 1 \\), what i...
[ { "role": "system", "content": "You are a highly capable AI assistant. For every response, you must first show your step-by-step reasoning process within a /think block, followed by the final answer." }, { "role": "user", "content": "What universal scaling laws govern the steady-state probabilit...
[ { "role": "system", "content": "You are a highly capable AI assistant. For every response, you must first show your step-by-step reasoning process within a /think block, followed by the final answer." }, { "role": "user", "content": "Israel has a three-tier court system. At the lowest level are ...
[ { "role": "system", "content": "You are a highly capable AI assistant. For every response, you must first show your step-by-step reasoning process within a /think block, followed by the final answer." }, { "role": "user", "content": "Find all functions \\( f: \\mathbb{R} \\to \\mathbb{R}^+ \\) t...
[ { "role": "system", "content": "You are a highly capable AI assistant. For every response, you must first show your step-by-step reasoning process within a /think block, followed by the final answer." }, { "role": "user", "content": "Write a Python3 script that processes log files from a robotic...
[ { "role": "system", "content": "You are a highly capable AI assistant. For every response, you must first show your step-by-step reasoning process within a /think block, followed by the final answer." }, { "role": "user", "content": "Generate an executable Python function generated from the give...
[ { "role": "system", "content": "You are a highly capable AI assistant. For every response, you must first show your step-by-step reasoning process within a /think block, followed by the final answer." }, { "role": "user", "content": "Why is normal ordering even a valid operation in the first pla...
[ { "role": "system", "content": "You are a highly capable AI assistant. For every response, you must first show your step-by-step reasoning process within a /think block, followed by the final answer." }, { "role": "user", "content": "Return your final response within \\boxed{}. Consider the rail...
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🧠 Reasoning Mix 100k ✨

A high-quality, balanced reasoning dataset consisting of 99,999 samples extracted from three reasoning datasets. This dataset is specifically formatted for models to utilize a /think block for step-by-step reasoning.

πŸ“Š Dataset Summary

The Reasoning Mix 100k is a curated collection of reasoning tasks, primarily focused on mathematics, logic, and general problem-solving. It combines the strengths of three high-performing datasets into a unified format optimized for Chain-of-Thought (CoT) training.

Source Samples Format
GLM-5.1-Reasoning-1M 33,333 General/Math Reasoning
OpenMathReasoning 33,333 Mathematical Chain-of-Thought
OpenThoughts-114k 33,333 Comprehensive Reasoning
Total 99,999 ChatML (Reasoning Optimized)

πŸ› οΈ Formatting

The dataset uses the ChatML format with a specialized system prompt and assistant response structure.

πŸ“ System Prompt

"You are a highly capable AI assistant. For every response, you must first show your step-by-step reasoning process within a /think block, followed by the final answer."

πŸ€– Assistant Responses

Every response is wrapped in a /think block structure:

/think
[Step-by-step reasoning process...]
/think

[Final answer or solution]

πŸ“‚ Dataset Structure

Each sample in the reasoning_mix_100k.jsonl file follows this structure:

{
  "messages": [
    {
      "role": "system",
      "content": "You are a highly capable AI assistant..."
    },
    {
      "role": "user",
      "content": "Evaluate the integral..."
    },
    {
      "role": "assistant",
      "content": "/think\n[Reasoning...]\n/think\n\n[Final Answer]"
    }
  ]
}

πŸš€ Usage

You can load this dataset using the Hugging Face datasets library:

from datasets import load_dataset

dataset = load_dataset("pinkpixel/reasoning-mix-100k")
print(dataset["train"][0])

πŸ“œ License

This dataset is released under the Apache License 2.0.


Made with ❀️ by Pink Pixel ✨

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