You might tell ChatGPT things you’d never share with a stranger. Maybe you’ve asked it about a medical concern, argued with your spouse in a conversation about relationship advice or uploaded a document containing financial information.

But before your next conversation, here's something to know: Real people at AI companies may be able to read some of what you share.

OpenAI, Google, Microsoft and Anthropic all have policies that allow certain conversations to be reviewed by humans, whether to improve their AI systems, investigate potential safety violations or troubleshoot problems.

That doesn’t mean someone is sitting behind a screen reading every message you send, but the assumption that your AI conversations are strictly between you and the chatbot is not accurate. Not to mention, just deleting a conversation doesn’t always mean the company deletes every copy immediately. In Google’s case, Gemini chats reviewed by humans can remain in company systems for up to three years, even after you delete your activity.

Here’s what actually happens to your conversations, who might be able to read them and what you can do to protect your privacy.

When you type a question into ChatGPT, Gemini or Claude, your message is typically sent to the company’s servers, where an AI model processes it and generates a response.

Most of that process is automated. But AI companies also use human reviewers to evaluate certain conversations. Several reasons might prompt a review; safety is a big one. AI companies use automated systems to detect potentially harmful requests, policy violations and suspicious activity.

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