AI RESEARCH
Privacy-Preserving LLMs Routing
arXiv CS.AI
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ArXi:2604.15728v1 Announce Type: cross Large language model (LLM) routing has emerged as a critical strategy to balance model performance and cost-efficiency by dynamically selecting services from various model providers. However, LLM routing adds an intermediate layer between users and LLMs, creating new privacy risks to user data. These privacy risks have not been systematically studied.