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OpenAI is laying the technical groundwork for advertising within ChatGPT, with SEO expert Glenn Gabe uncovering clues in the chatbot’s page source code that hint at a near-term ad launch.
OpenAI is quietly preparing to introduce ads into ChatGPT, a move that could significantly alter the user experience and create a new high-intent advertising channel. The groundwork for this change has been spotted by SEO consultant Glenn Gabe, who noticed ad-related references in the page source of ChatGPT responses.

Despite the lack of visible ads, the ad logic being live suggests OpenAI is well into testing various aspects of their ad system. This includes:
The introduction of ads in ChatGPT marks a significant step in the commercialization of AI chatbots. While it opens new revenue streams for OpenAI, it also raises questions about user experience and the balance between organic and paid content. As more details emerge, practitioners will need to stay informed to leverage this new advertising channel effectively.
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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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3 February 2026
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