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arXiv 2602.11541cs.AIcs.LG
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预算约束下的代理型大语言模型:基于意图的规划以应对昂贵的工具使用

Budget-Constrained Agentic Large Language Models: Intention-Based Planning for Costly Tool Use

Gaoling School of Artificial Intelligence, Renmin University of China(中国人民大学人工智能学院);Shanghai University of Finance(上海财经大学);Baidu Inc.(百度公司)

Hanbing Liu, Chunhao Tian, Nan An, Ziyuan Wang, Pinyan Lu, Changyuan Yu, Qi Qi

AI总结:

本文提出INTENT框架,通过意图感知的分层世界模型,在预算约束下提升工具使用任务的成功率并保持鲁棒性。

摘要:

我们研究了预算约束下的工具增强代理,其中大型语言模型必须在严格货币预算下通过调用外部工具解决多步骤任务。我们将此设定形式化为上下文空间中的序列决策问题,其中工具执行具有价格和随机性,直接规划在大规模状态-动作空间、高结果方差和压制探索成本下不可行。为了解决这些挑战,我们提出了INTENT,一种推理时的规划框架,利用意图感知的分层世界模型来预测未来的工具使用、风险校准的成本,并在线引导决策。在成本增强的StableToolBench上,INTENT严格执行硬预算可行性,同时显著提高了任务成功率,且在动态市场变化如工具价格变化和预算变化下仍保持稳健。

英文摘要:

We study budget-constrained tool-augmented agents, where a large language model must solve multi-step tasks by invoking external tools under a strict monetary budget. We formalize this setting as sequential decision making in context space with priced and stochastic tool executions, making direct planning intractable due to massive state-action spaces, high variance of outcomes and prohibitive exploration cost. To address these challenges, we propose INTENT, an inference-time planning framework that leverages an intention-aware hierarchical world model to anticipate future tool usage, risk-calibrated cost, and guide decisions online. Across cost-augmented StableToolBench, INTENT strictly enforces hard budget feasibility while substantially improving task success over baselines, and remains robust under dynamic market shifts such as tool price changes and varying budgets.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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