Efficiency Will Not Lead to Sustainable Reasoning AI

• URL: http://arxiv.org/abs/2511.15259v1
• Date: Wed, 19 Nov 2025 09:23:14 GMT
• Title: Efficiency Will Not Lead to Sustainable Reasoning AI
• Authors: Philipp Wiesner, Daniel W. O'Neill, Francesca Larosa, Odej Kao,
• Abstract summary: This paper argues that efficiency alone will not lead to sustainable reasoning AI.<n>It discusses research and policy directions to embed explicit limits into the optimization and governance of such systems.
• Score: 2.4902411151823487
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: AI research is increasingly moving toward complex problem solving, where models are optimized not only for pattern recognition but for multi-step reasoning. Historically, computing's global energy footprint has been stabilized by sustained efficiency gains and natural saturation thresholds in demand. But as efficiency improvements are approaching physical limits, emerging reasoning AI lacks comparable saturation points: performance is no longer limited by the amount of available training data but continues to scale with exponential compute investments in both training and inference. This paper argues that efficiency alone will not lead to sustainable reasoning AI and discusses research and policy directions to embed explicit limits into the optimization and governance of such systems.

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