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cost-aware stopping 1decision-focused learning 1heterogeneous costs 1LLM agents 1tool selection 1

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cs.LG2026

Scores Are Not Decisions: Cost-Aware Stopping for Tool Acquisition in LLM Agents

Yicheng Feng, Yan Zhang, Yan Cheng +1

The paper proposes a cost‑aware stopping method (CAM‑DF) that decides how many external tools an LLM agent should acquire based on ranked tool lists, optimizing payoff under hetero…