Addressing the sustainable AI trilemma: a case study on LLM agents and RAG

• URL: http://arxiv.org/abs/2501.08262v1
• Date: Tue, 14 Jan 2025 17:21:16 GMT
• Title: Addressing the sustainable AI trilemma: a case study on LLM agents and RAG
• Authors: Hui Wu, Xiaoyang Wang, Zhong Fan,
• Abstract summary: Large language models (LLMs) have demonstrated significant capabilities, but their widespread deployment and more advanced applications raise critical sustainability challenges. We propose the concept of the Sustainable AI Trilemma, highlighting the tensions between AI capability, digital equity, and environmental sustainability.
• Score: 7.6212949300713015
• License:
• Abstract: Large language models (LLMs) have demonstrated significant capabilities, but their widespread deployment and more advanced applications raise critical sustainability challenges, particularly in inference energy consumption. We propose the concept of the Sustainable AI Trilemma, highlighting the tensions between AI capability, digital equity, and environmental sustainability. Through a systematic case study of LLM agents and retrieval-augmented generation (RAG), we analyze the energy costs embedded in memory module designs and introduce novel metrics to quantify the trade-offs between energy consumption and system performance. Our experimental results reveal significant energy inefficiencies in current memory-augmented frameworks and demonstrate that resource-constrained environments face disproportionate efficiency penalties. Our findings challenge the prevailing LLM-centric paradigm in agent design and provide practical insights for developing more sustainable AI systems.

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