AI with Emotions: Exploring Emotional Expressions in Large Language Models

• URL: http://arxiv.org/abs/2504.14706v2
• Date: Tue, 22 Apr 2025 02:10:44 GMT
• Title: AI with Emotions: Exploring Emotional Expressions in Large Language Models
• Authors: Shin-nosuke Ishikawa, Atsushi Yoshino,
• Abstract summary: Large Language Models (LLMs) play role-play as agents answering questions with specified emotional states.<n>Russell's Circumplex model characterizes emotions along the sleepy-activated (arousal) and pleasure-displeasure (valence) axes.<n> evaluation showed that the emotional states of the generated answers were consistent with the specifications.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The human-level performance of Large Language Models (LLMs) across various tasks has raised expectations for the potential of Artificial Intelligence (AI) to possess emotions someday. To explore the capability of current LLMs to express emotions in their outputs, we conducted an experiment using several LLMs (OpenAI GPT, Google Gemini, Meta Llama3, and Cohere Command R+) to role-play as agents answering questions with specified emotional states. We defined the emotional states using Russell's Circumplex model, a well-established framework that characterizes emotions along the sleepy-activated (arousal) and pleasure-displeasure (valence) axes. We chose this model for its simplicity, utilizing two continuous parameters, which allows for better controllability in applications involving continuous changes in emotional states. The responses generated were evaluated using a sentiment analysis model, independent of the LLMs, trained on the GoEmotions dataset. The evaluation showed that the emotional states of the generated answers were consistent with the specifications, demonstrating the LLMs' capability for emotional expression. This indicates the potential for LLM-based AI agents to simulate emotions, opening up a wide range of applications for emotion-based interactions, such as advisors or consultants who can provide advice or opinions with a personal touch.

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