task_categories:image-to-text task_categories:visual-question-answering task_categories:text-generation task_ids:image-captioning task_ids:visual-question-answering task_ids:text2text-generation language:en language:zh size_categories:100K<n<1M format:parquet modality:text library:datasets library:dask library:polars library:mlcroissant arxiv:2604.28123 region:us qwen3-vl vision-language-model multimodal-reasoning reinforcement-learning rlvr prism on-policy-distillation gemini-distillation image-text-to-text