@article{niceatheorygroundeddiagnosticbenchmarkfo, title = {NICE: A Theory-Grounded Diagnostic Benchmark for Social Intelligence of LLMs}, author = {Yunjin Qi and Zhaojun Jiang and Xuan Wu and Hanxi Pan and Yixuan Wang and Yanfang Liu and Xiang Ji and Churu Yu and Chunyuan Zheng and Yingze Chen and Jie He and Liuqing Chen and Zaifeng Gao}, year = {2026}, eprint = {2605.29685}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2605.29685}, }