# Guide to Discovering What ChatGPT and Gemini Know About You Learn what AI models know about you and protect your privacy. - **Source:** [NYTimes Technology](https://www.nytimes.com/section/technology) - **Published:** 2026-07-23 - **Topic:** [Data & AI](https://brifing.si/c/data-ai) - **Original article:** - **On Brifing:** https://brifing.si/s/99065228-5c7f-4ef8-882d-5d962fc55988 ## Introduction AI models like ChatGPT and Gemini can gather surprising amounts of information about users. Understanding how much these models know about you is crucial for personal data security. Using the right prompts, you can access this information. ## Data Collection Mechanism AI models collect data through user interactions and online behaviors. This data allows the model to make inferences about you. For example, they can learn about your interests, communication style, and even lifestyle. ## The Power of Prompts Well-formulated prompts can reveal what AI knows about you. A simple question like 'What do you know about me?' can show what information the model has stored about you in its database. ## Privacy Risks If the data collected by AI models falls into the wrong hands, it can lead to serious privacy violations. Therefore, knowing and controlling what information is shared is essential. ## Protection Methods Be cautious in your interactions with AI models. Avoid sharing personal information and regularly check what the model knows about you. This is an effective way to protect your privacy. ## Conclusion Understanding what AI models know about you is critical for your personal data security. Using the right prompts, you can access this information and safeguard your privacy. Being an informed user is key to staying safe in the digital world. ## Sources covering this story - https://www.nytimes.com/2026/07/23/technology/personaltech/chatgpt-gemini-prompts-privacy.html — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._