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ParetoSaddler optimizes LLM agent harnesses for quality and cost

Researchers have developed ParetoSaddler, a novel method for optimizing Large Language Model (LLM) agent harnesses. This approach separates intermediate candidate promotion from final deployment selection, allowing for joint optimization of response quality and cost. By using Bayesian bootstrap Pareto support, ParetoSaddler identifies candidates that show credible progress in either quality or cost, retaining valuable options that might otherwise be discarded. Evaluations on the ClawMark and GAIA2 benchmarks demonstrate significant improvements in quality alongside reductions in cost per task. AI

IMPACT This method could lead to more efficient and cost-effective deployment of LLM agents by optimizing their performance without altering core model weights.

RANK_REASON The cluster contains a research paper detailing a new method for optimizing LLM agent harnesses.

Read on arXiv cs.MA (Multiagent) →

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ParetoSaddler optimizes LLM agent harnesses for quality and cost

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The cluster contains a research paper detailing a new method for optimizing LLM agent harnesses.
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COVERAGE [3]

  1. arXiv cs.CL TIER_1 English(EN) · Xingzhi Qian, Sungho Park, Rongyuan Tan, Jianbo Yu, Jue Zhang, Lorenzo Cavallaro, Menglin Xia, Yanzhi Chen, Xinnuo Xu, Yu Kang, Xinran Zheng, Gagan Somashekar, Xuchao Zhang, Chetan Bansal, Qingwei Lin, Victor R\"uhle ·

    ParetoSaddler: Pareto-Guided Optimization of Agent Harnesses for Quality and Cost

    arXiv:2611.02079v1 Announce Type: cross Abstract: Harness optimization can substantially improve LLM agents without modifying model weights, but existing methods primarily optimize response quality. Extending them to joint quality--cost optimization introduces a challenge: applyi…

  2. arXiv cs.MA (Multiagent) TIER_1 English(EN) · Victor Rühle ·

    ParetoSaddler: Pareto-Guided Optimization of Agent Harnesses for Quality and Cost

    Harness optimization can substantially improve LLM agents without modifying model weights, but existing methods primarily optimize response quality. Extending them to joint quality--cost optimization introduces a challenge: applying the deployment preference during intermediate u…

  3. Hugging Face Daily Papers TIER_1 English(EN) ·

    ParetoSaddler: Pareto-Guided Optimization of Agent Harnesses for Quality and Cost

    ParetoSaddler improves LLM agent harnesses by separately promoting intermediate candidates via Bayesian bootstrap Pareto support and selecting final deployments, boosting quality while reducing cost.