opendatalab/MolRecBench-Wild

MolRecBench-Wild (2026-08-19) MolRecBench-Wild is a real-world benchmark for optical chemical structure recognition. This release contains 5,024 molecular structure images and their CARBON molecular-graph annotations from 818 source articles. This is the repository's authoritative 2026-08-19 release. It differs from the 5,029-sample snapshot described in the first arXiv version of the paper. Dataset structure The dataset has one test split. Images are embedded in… See the full description on the dataset page: https://huggingface.co/datasets/opendatalab/MolRecBench-Wild.