@inproceedings{zhang-etal-2026-hetero,
    title = "Hetero-Designer: Automated Design of Multi-Agent Systems with Heterogeneous {LLM}s",
    author = "Zhang, Zhiheng  and
      Zhang, Yuanzhe  and
      Yu, Bohan  and
      Zeng, Daojian  and
      Liu, Kang  and
      Zhao, Jun",
    editor = "Liakata, Maria  and
      Moreira, Viviane P.  and
      Zhang, Jiajun  and
      Jurgens, David",
    booktitle = "Proceedings of the 64th Annual Meeting of the {A}ssociation for {C}omputational {L}inguistics (Volume 1: Long Papers)",
    month = jul,
    year = "2026",
    address = "San Diego, California, United States",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/ingest-acl/2026.acl-long.1272/",
    pages = "27553--27574",
    ISBN = "979-8-89176-390-6"
}