This dataset follows the row-level aggregated label format of JingweiNi/ocr2_cf1900_k2_qwen35_gpt55_aggregated_10k_seed20260513, with extra K2 generation metadata.
Each row is one generated K2-Think trace from the 50/50 low+medium mix over the hardest OCR2 questions.
question: the exact K2 completion prefix used for generation, rendered from raw_question according to k2_reasoning_effort.
raw_question:… See the full description on the dataset page:
https://huggingface.co/datasets/JingweiNi/ocr2_hardest10k_k2_lowmed_gpt55pos_qwen35neg_seed20260529.