S1-Bench

S1-Bench is a novel benchmark designed to evaluate Large Reasoning Models' performance on simple tasks that favor intuitive system 1 thinking rather than deliberative system 2 reasoning. S1-Bench comprises 422 question-answer pairs across four major categories and 28 subcategories, balanced with 220 English and 202 Chinese questions.

S1-Bench是一款全新研发的基准测试集，旨在评估大推理模型（Large Reasoning Models）在偏向直觉型系统1思维而非审慎型系统2推理的简单任务上的性能表现。其包含422组问答对，覆盖4大主类别与28个子类别，其中英文问题220道、中文问题202道，整体样本分布均衡。