Lost in Benchmarks? Rethinking Large Language Model Benchmarking with Item Response Theory. - Hongli Zhou 001; Hui Huang 021; Ziqing Zhao; Lvyuan Han; Huicheng Wang; Kehai Chen; Muyun Yang; Wei Bao; Jian Dong; Bing Xu; Conghui Zhu; Hailong Cao; et al. (CoRR, 2025)