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As OpenAI's CEO reveals, the surge in user engagement with advanced reasoning models signals a significant leap in AI adoption, bridging the gap between basic and sophisticated AI functionalities.
In a recent tweet, Sam Altman, CEO of OpenAI, shared some intriguing statistics about the growing adoption of reasoning models among users. According to Altman, the percentage of users engaging with these advanced models has seen a significant uptick. For free users, the usage rate increased from less than 1% to 7%, while for paid "plus" users, it jumped from 7% to 24%. This shift highlights a growing interest in more sophisticated AI capabilities and suggests that users are finding value in these reasoning models.
The key change is the introduction of reasoning models, which are designed to handle complex logical tasks and provide more nuanced responses compared to previous generations of language models. These models are particularly useful for tasks that require deep understanding and context-aware processing, such as:
For practitioners, the rise of reasoning models represents a significant step forward in AI capabilities. Here are a few key points:
The transition to reasoning models involves several technical advancements:

The statistics shared by Altman indicate a clear trend toward user adoption:
While the adoption of reasoning models is promising, there are still challenges to address:
The growing adoption of reasoning models among OpenAI users is a strong indicator of the technology's potential. These models offer enhanced capabilities for handling complex tasks and are likely to become increasingly important in both consumer and enterprise applications. As more users explore these advanced AI tools, we can expect to see even more innovative use cases emerge.
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About the author
Kai built ML infrastructure at a Bay Area startup before developing an obsession with transformer architectures and inference optimisation that eventually pulled him out of product work entirely. A stint at a compute research lab sharpened his instinct for what actually matters in a model release versus what is marketing. He writes from the inside — from the perspective of someone who has debugged the systems he is describing at three in the morning. He is allergic to hype and instinctively drawn to the unglamorous plumbing questions that everyone else skips over.
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11 August 2025
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