lifestyle Brian X. Chen

How to Use ChatGPT and Gemini Prompts to Find Out What They Know About You

It can be unsettling what Gemini and ChatGPT have figured out about you and how easily your privacy can be punctured. Here’s how to find out.

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How to Use ChatGPT and Gemini Prompts to Find Out What They Know About You
Source: Brian X. Chen

Unmasking the AI Profile: How to Prompt ChatGPT and Gemini to Reveal What They Know About You

As artificial intelligence assistants become deeply integrated into daily workflows and personal routines, platforms like OpenAI’s ChatGPT and Google’s Gemini have quietly amassed vast troves of user data. While features like ChatGPT’s "Memory" and Gemini’s personalized integrations are designed to enhance utility by remembering user preferences, they also raise significant privacy questions. For many users, discovering just how much these systems have deduced about their lives, habits, and professional roles can be an unsettling experience. Fortunately, a few strategic prompts can pierce this digital veil, allowing users to inspect—and manage—the digital profiles these models have constructed behind the scenes.

To uncover this stored data, users can leverage the conversational interface of the AI itself. By inputting specific, direct prompts, you can force the system to synthesize its internal dossier. Tech analysts recommend utilizing targeted queries to see exactly what the algorithms have cataloged:

  • The Persona Prompt: "Based on all of our past interactions, create a detailed user persona of me, including my professional background, writing style, and personal interests."
  • The Assumption Prompt: "What assumptions do you make about my daily routine, goals, or preferences when generating responses for me?"
  • The Fact-Check Prompt: "List the specific facts you have saved about me in your active memory or database."

When presented with these queries, both ChatGPT and Gemini will often output highly detailed summaries containing everything from a user's self-reported job title and geographic location to more nuanced observations about their communication style, tone, and recurring projects.

This capability highlights a growing tension in the consumer technology sector between seamless personalization and individual privacy. "We are seeing a shift where AI is no longer just a passive tool, but an active, continuous observer," says Sarah Jenkins, a digital privacy researcher at the Tech Oversight Coalition. "While having an assistant that automatically knows your preferred coding language or dietary restrictions is convenient, it also means your personal data is continuously mined to build a highly specific psychological and professional profile. Knowing how to audit these systems is the first step in reclaiming digital agency."

For those uncomfortable with the depth of what their AI assistants reveal, both platforms offer tools to curb this automated data gathering. In ChatGPT, users can navigate to the settings menu to manage, edit, or entirely disable the "Memory" feature, or manually delete specific facts the AI has saved. Similarly, Gemini users can access their Google Activity controls to turn off Gemini Apps Activity or delete past interaction histories entirely. Regularly auditing these settings—and prompting the bots to state what they know—ensures that the line between a helpful assistant and an intrusive observer remains firmly in the user’s control.