Author

Jiaxuan You

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#machine learning Oct 2025

GMTRouter: Personalized LLM Router over Multi-turn User Interactions

This work proposes GMTRouter, which represents multi-turn user-LLM interactions as a heterogeneous graph with five node types: user, LLM, query, response and turn, thereby maximally preserving the rich relational structure of the interaction.

Encheng Xie, Yihang Sun, Tao Feng et al. · arXiv.org · 6 citations

Preprint Aug 2026

LLMRouter: Unified Infrastructure for Developing, Evaluating, and Deploying LLM Routers

This work presents a unified formulation of LLM routing as a sequential decision process characterized by five components: context encoders, model encoders, scoring functions, decision rules, and learning signals, covering single-turn, multi-turn, and personalized routing.

Tao Feng, Fangxu Yu, Haozhen Zhang et al. · 1 citation