MMMG: A Massive, Multidisciplinary, Multi-Tier Generation Benchmark for Text-to-Image Reasoning. - Yuxuan Luo; Yuhui Yuan; Junwen Chen; Haonan Cai; Ziyi Yue; Yuwei Yang; Fatima Zohra Daha; Ji Li; Zhouhui Lian (CoRR, 2025)