State of AI: An Empirical 100 Trillion Token Study with OpenRouter

• URL: http://arxiv.org/abs/2601.10088v1
• Date: Thu, 15 Jan 2026 05:28:39 GMT
• Title: State of AI: An Empirical 100 Trillion Token Study with OpenRouter
• Authors: Malika Aubakirova, Alex Atallah, Chris Clark, Justin Summerville, Anjney Midha,
• Abstract summary: We use the Open platform, an AI inference provider, to analyze over 100 trillion tokens of real-world LLM interactions.<n>We observe substantial adoption of open-weight models, the outsized popularity of creative roleplay, and the rise of agentic inference.<n>Our retention analysis identifies cohorts: early users whose engagement persists far longer than later cohorts.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The past year has marked a turning point in the evolution and real-world use of large language models (LLMs). With the release of the first widely adopted reasoning model, o1, on December 5th, 2024, the field shifted from single-pass pattern generation to multi-step deliberation inference, accelerating deployment, experimentation, and new classes of applications. As this shift unfolded at a rapid pace, our empirical understanding of how these models have actually been used in practice has lagged behind. In this work, we leverage the OpenRouter platform, which is an AI inference provider across a wide variety of LLMs, to analyze over 100 trillion tokens of real-world LLM interactions across tasks, geographies, and time. In our empirical study, we observe substantial adoption of open-weight models, the outsized popularity of creative roleplay (beyond just the productivity tasks many assume dominate) and coding assistance categories, plus the rise of agentic inference. Furthermore, our retention analysis identifies foundational cohorts: early users whose engagement persists far longer than later cohorts. We term this phenomenon the Cinderella "Glass Slipper" effect. These findings underscore that the way developers and end-users engage with LLMs "in the wild" is complex and multifaceted. We discuss implications for model builders, AI developers, and infrastructure providers, and outline how a data-driven understanding of usage can inform better design and deployment of LLM systems.

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