@article{anchorscoreaclipbaseddiagnosticofmllmann,
  title = {AnchorScore: A CLIP-Based Diagnostic of MLLM Annotation Difficulty},
  author = {Yan Ma and Lizhuo Zhang},
  year = {2026},
  eprint = {2608.16690},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2608.16690},
}