Guess What I am Thinking: A Benchmark for Inner Thought Reasoning of Role-Playing Language Agents

Fuente: arXiv
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Autori principali: Xu, Rui, Wang, MingYu, Wang, XinTao, Lu, Dakuan, Tan, Xiaoyu, Chu, Wei, Xu, Yinghui
Natura: Preprint
Pubblicazione: 2025
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author Xu, Rui
Wang, MingYu
Wang, XinTao
Lu, Dakuan
Tan, Xiaoyu
Chu, Wei
Xu, Yinghui
author_facet Xu, Rui
Wang, MingYu
Wang, XinTao
Lu, Dakuan
Tan, Xiaoyu
Chu, Wei
Xu, Yinghui
contents Recent advances in LLM-based role-playing language agents (RPLAs) have attracted broad attention in various applications. While chain-of-thought reasoning has shown importance in many tasks for LLMs, the internal thinking processes of RPLAs remain unexplored. Understanding characters' inner thoughts is crucial for developing advanced RPLAs. In this paper, we introduce ROLETHINK, a novel benchmark constructed from literature for evaluating character thought generation. We propose the task of inner thought reasoning, which includes two sets: the gold set that compares generated thoughts with original character monologues, and the silver set that uses expert synthesized character analyses as references. To address this challenge, we propose MIRROR, a chain-of-thought approach that generates character thoughts by retrieving memories, predicting character reactions, and synthesizing motivations. Through extensive experiments, we demonstrate the importance of inner thought reasoning for RPLAs, and MIRROR consistently outperforms existing methods. Resources are available at https://github.com/airaer1998/RPA_Thought.
format Preprint
id arxiv_https___arxiv_org_abs_2503_08193
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Guess What I am Thinking: A Benchmark for Inner Thought Reasoning of Role-Playing Language Agents
Xu, Rui
Wang, MingYu
Wang, XinTao
Lu, Dakuan
Tan, Xiaoyu
Chu, Wei
Xu, Yinghui
Artificial Intelligence
Recent advances in LLM-based role-playing language agents (RPLAs) have attracted broad attention in various applications. While chain-of-thought reasoning has shown importance in many tasks for LLMs, the internal thinking processes of RPLAs remain unexplored. Understanding characters' inner thoughts is crucial for developing advanced RPLAs. In this paper, we introduce ROLETHINK, a novel benchmark constructed from literature for evaluating character thought generation. We propose the task of inner thought reasoning, which includes two sets: the gold set that compares generated thoughts with original character monologues, and the silver set that uses expert synthesized character analyses as references. To address this challenge, we propose MIRROR, a chain-of-thought approach that generates character thoughts by retrieving memories, predicting character reactions, and synthesizing motivations. Through extensive experiments, we demonstrate the importance of inner thought reasoning for RPLAs, and MIRROR consistently outperforms existing methods. Resources are available at https://github.com/airaer1998/RPA_Thought.
title Guess What I am Thinking: A Benchmark for Inner Thought Reasoning of Role-Playing Language Agents
topic Artificial Intelligence
url https://arxiv.org/abs/2503.08193