task_categories:image-text-to-text license:apache-2.0 license:cc-by-4.0 license:cc-by-nc-sa-4.0 size_categories:1M<n<10M format:json modality:text library:datasets library:dask library:mlcroissant arxiv:2507.21924 region:us multimodal agent tool use reasoning chain-of-thought rag