Energy-Aware Data-Driven Model Selection in LLM-Orchestrated AI Systems

• URL: http://arxiv.org/abs/2512.01099v1
• Date: Sun, 30 Nov 2025 21:46:54 GMT
• Title: Energy-Aware Data-Driven Model Selection in LLM-Orchestrated AI Systems
• Abstract summary: Large Language Models (LLMs) provide descriptions of models for decision-making.<n> descriptions do not reflect true model capabilities and performance characteristics, leading to suboptimal model selection, reduced accuracy, and increased energy costs.<n>We propose GUIDE, a new energy-aware model selection framework that accounts for performance-energy trade-offs by incorporating quantitative model performance characteristics in decision-making.
• Score: 1.794523136381106
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: As modern artificial intelligence (AI) systems become more advanced and capable, they can leverage a wide range of tools and models to perform complex tasks. Today, the task of orchestrating these models is often performed by Large Language Models (LLMs) that rely on qualitative descriptions of models for decision-making. However, the descriptions provided to these LLM-based orchestrators do not reflect true model capabilities and performance characteristics, leading to suboptimal model selection, reduced accuracy, and increased energy costs. In this paper, we conduct an empirical analysis of LLM-based orchestration limitations and propose GUIDE, a new energy-aware model selection framework that accounts for performance-energy trade-offs by incorporating quantitative model performance characteristics in decision-making. Experimental results demonstrate that GUIDE increases accuracy by 0.90%-11.92% across various evaluated tasks, and achieves up to 54% energy efficiency improvement, while reducing orchestrator model selection latency from 4.51 s to 7.2 ms.

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