AIRS-Bench: a Suite of Tasks for Frontier AI Research Science Agents. - Alisia Maria Lupidi; Bhavul Gauri; Thomas Foster; Bassel Al Omari; Despoina Magka; Alberto Pepe; Alexis Audran-Reiss; Muna Aghamelu; Nicolas Mario Baldwin; Lucia Cipolina-Kun; Jean-Christophe Gagnon-Audet; Chee Hau Leow; et al. (CoRR, 2026)