Choosing to Be Green: Advancing Green AI via Dynamic Model Selection

• URL: http://arxiv.org/abs/2509.19996v1
• Date: Wed, 24 Sep 2025 11:02:13 GMT
• Title: Choosing to Be Green: Advancing Green AI via Dynamic Model Selection
• Authors: Emilio Cruciani, Roberto Verdecchia,
• Abstract summary: Green AI dynamic model selection aims at reducing the environmental footprint of AI by selecting the most sustainable model.<n>Our results show that Green AI dynamic model selection can achieve substantial energy savings (up to 25%) while substantially retaining the accuracy of the most energy greedy solution.
• Score: 5.943461792835909
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Artificial Intelligence is increasingly pervasive across domains, with ever more complex models delivering impressive predictive performance. This fast technological advancement however comes at a concerning environmental cost, with state-of-the-art models - particularly deep neural networks and large language models - requiring substantial computational resources and energy. In this work, we present the intuition of Green AI dynamic model selection, an approach based on dynamic model selection that aims at reducing the environmental footprint of AI by selecting the most sustainable model while minimizing potential accuracy loss. Specifically, our approach takes into account the inference task, the environmental sustainability of available models, and accuracy requirements to dynamically choose the most suitable model. Our approach presents two different methods, namely Green AI dynamic model cascading and Green AI dynamic model routing. We demonstrate the effectiveness of our approach via a proof of concept empirical example based on a real-world dataset. Our results show that Green AI dynamic model selection can achieve substantial energy savings (up to ~25%) while substantially retaining the accuracy of the most energy greedy solution (up to ~95%). As conclusion, our preliminary findings highlight the potential that hybrid, adaptive model selection strategies withhold to mitigate the energy demands of modern AI systems without significantly compromising accuracy requirements.

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