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paperarXivTrust 82 · PrimaryPublished 1mo agoLive · 1mo ago

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

Large language models are increasingly used in practical systems, making efficient model selection important for reducing deployment cost. LLM routing has emerged as a practical solution for allocating each input query to an appropriate model under a desired cost-performance trade-off. Existing routing methods often estimate model suitability from the surface semantics or embedding similarity of the input query. However, such methods may ignore the underlying difficulty of a query, leading to suboptimal routing decisions. To address the challenge, we propose VDAR-Router, a difficulty-aware ret

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  • LinkedLinked via arxiv author · 85%Yu-Chien Tang

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

  • LinkedLinked via arxiv author · 85%Jun-Chen Hung

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

  • LinkedLinked via arxiv author · 85%Wen-Chih Peng

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

  • LinkedLinked via arxiv author · 85%An-Zi Yen

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

  • FuzzySimilar title/name (fuzzy) · 59%BlockRunAI/ClawRouter

    Fuzzy title match (0.73): “VDAR-Router: Adaptive LLMs Routing via Verbalized Query Diff” ≈ “BlockRunAI/ClawRouter”

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