VDAR-Router: Adaptive LLMs Routing via Verbalized Query Difficulty Analysis Retrieval

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Was passiert ist

VDAR-Router routes queries to different language models by analyzing query difficulty explicitly, then retrieving similar historical examples to guide model selection.

Warum es zählt

Engineers deploying multiple LLMs need to balance performance and cost per query without retraining routing systems.

Achtung

Paper shows results on three datasets but doesn't specify which models were tested or whether the approach generalizes across different model families.