s1: Simple test-time scaling

Muennighoff et al., 2025, s1 (Proceedings of the 2025 Conference on Empirical Methods in Natural Language Processing)

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2.1 Initial collection of 59K samples

  1. How was s1’s initial pool of 59K questions built?
    From 16 sources chosen for quality, difficulty and diversity (mostly NuminaMATH, plus past AIME problems, Olympiad and standardized-test questions, and two new sets: Stanford statistics PhD qualifying-exam probability questions and hard quant-interview brain-teasers). Reasoning traces and answers came from Gemini 2.0 Flash Thinking, decontaminated against the evaluations with 8-grams.
    • Muennighoff et al., 2025, s1 (Proceedings of the 2025 Conference on Empirical Methods in Natural Language Processing), §2.1, p. 20276

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