PsychEval: A Multi-Session and Multi-Therapy Benchmark for High-Realism AI Psychological Counselor. - Qianjun Pan; Junyi Wang; Jie Zhou 015; Yutao Yang; Junsong Li; Kaiyin Xu; Yougen Zhou; Yihan Li; Jingyuan Zhao; Qin Chen 001; Ningning Zhou; Kai Chen 026; et al. (CoRR, 2026)