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BILLY: Steering large language models via merging persona vectors for creative generation

Tsung-Min Pai

Computer science - computation and language, computer science - artificial intelligence

Abstract

Multi-LLM systems enhance the creativity of large language models by simulating human collective intelligence but suffer from significant drawbacks, such as high computational costs and inference latency. To address these limitations, we propose BILLY (BlendIng persona vectors for Large Language model creativitY), a training-free framework that captures the benefits of multi-LLM collaboration, i.e. inducing diverse perspectives and specialized expertise, within a single model. BILLY operates by

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Tags

creativity frameworks › psychological/cognitiveevaluation › LLM-as-a-judgeevaluation › creativity evaluationevaluation › document-levelmodel used › Medium (8-24)related to creativity › related to creativity as a human abilityscope › technical research

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Paper ID: cdb6a702-c968-46ac-a4af-fd0fdc4903b6Added: 10/26/2025