RSI-Router: Evolving Subtask-Level LLM Routing and Skills for Cost-Efficient Agents
This paper introduces RSI-router, a routing framework that constructs subtask-level model assignments and model-specific skills through recursive self-improvement over accumulated experience and establishes a stronger performance--cost Pareto frontier than 9 routing methods.
Hao Li, Hang-Fan Zhang, Zhi-Yao Cui et al.
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