@article{spadebenchevaluatingspontaneousstrategic, title = {SPADE-Bench: Evaluating Spontaneous Strategic Deception in Agents via Plan-Action Divergence}, author = {Yuyan Bu and Haowei Li and Qirui Zheng and Bowen Dong and Kaiyue Yang and Jiaming Ji and Yingshui Tan and Wenxin Li and Yaodong Yang and Juntao Dai}, year = {2026}, eprint = {2606.02380}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2606.02380}, }