BaZi-Based Character Simulation Benchmark: Evaluating AI on Temporal and Persona Reasoning

Siyuan Zheng; Pai Liu; Xi Chen; Jizheng Dong; Sihan Jia

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arXiv · 2510.23337

BaZi-Based Character Simulation Benchmark: Evaluating AI on Temporal and Persona Reasoning

Siyuan Zheng·Pai Liu·Xi Chen·Jizheng Dong·Sihan Jia

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Abstract

Human-like virtual characters are crucial for games, storytelling, and virtual reality, yet current methods rely heavily on annotated data or handcrafted persona prompts, making it difficult to scale up and generate realistic, contextually coherent personas. We create the first QA dataset for BaZi-based persona reasoning, where real human experiences categorized into wealth, health, kinship, career, and relationships are represented as life-event questions and answers. Furthermore, we propose the first BaZi-LLM system that integrates symbolic reasoning with large language models to generate temporally dynamic and fine-grained virtual personas. Compared with mainstream LLMs such as DeepSeek-v3 and GPT-5-mini, our method achieves a 30.3%-62.6% accuracy improvement. In addition, when incorrect BaZi information is used, our model's accuracy drops by 20%-45%, showing the potential of culturally grounded symbolic-LLM integration for realistic character simulation.

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Siyuan Zheng, Pai Liu, Xi Chen, Jizheng Dong, Sihan Jia. 2025-10-27. BaZi-Based Character Simulation Benchmark: Evaluating AI on Temporal and Persona Reasoning. https://arxiv.org/abs/2510.23337

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