Are AI Capabilities Increasing Exponentially? A Competing Hypothesis

• URL: http://arxiv.org/abs/2602.04836v2
• Date: Fri, 06 Feb 2026 00:41:39 GMT
• Title: Are AI Capabilities Increasing Exponentially? A Competing Hypothesis
• Authors: Haosen Ge, Hamsa Bastani, Osbert Bastani,
• Abstract summary: We argue that the data does not support exponential growth, even in shorter-term horizons.<n>We propose a more complex model that decomposes AI capabilities into base and reasoning capabilities.
• Score: 26.116836335203725
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Rapidly increasing AI capabilities have substantial real-world consequences, ranging from AI safety concerns to labor market consequences. The Model Evaluation & Threat Research (METR) report argues that AI capabilities have exhibited exponential growth since 2019. In this note, we argue that the data does not support exponential growth, even in shorter-term horizons. Whereas the METR study claims that fitting sigmoid/logistic curves results in inflection points far in the future, we fit a sigmoid curve to their current data and find that the inflection point has already passed. In addition, we propose a more complex model that decomposes AI capabilities into base and reasoning capabilities, exhibiting individual rates of improvement. We prove that this model supports our hypothesis that AI capabilities will exhibit an inflection point in the near future. Our goal is not to establish a rigorous forecast of our own, but to highlight the fragility of existing forecasts of exponential growth.

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