Harbour BioMed (HBM Holdings Ltd.) has announced the launch of its first fully human Generative AI Heavy Chain-Only Antibody (HCAb) Model, powered by the Hu-mAtrIx™ AI platform and built on the Harbour Mice® platform. The company presented these scientific research results at its Global R&D Day 2025 event in Shanghai. The new AI HCAb Model features an integrated, closed-loop workflow combining AI-driven antibody sequence generation, intelligent screening, and wet-lab validation, significantly improving efficiency and accuracy in antibody discovery. This advancement is expected to accelerate the development of next-generation biologics, including multi-specific antibodies, XDCs, in vivo CAR-T, and large-molecule drugs delivered via inhalation or orally.