# Tell HN: Gemini trains on chat history, even for subscribers \(personal accounts\)

- HackerByte page: <https://hackerbyte.net/en/stories/a-notification-that-google-s-gemini-model-uses-chat-history-as-training-data-reg-50363461>
- Hacker News discussion: <https://news.ycombinator.com/item?id=50363461>
- Submitted to Hacker News: 2026-11-04T10:10:27.000Z

A notification that Google's Gemini model uses chat history as training data, regardless of subscription level for users.

## AI-generated summary

Google Gemini's personal accounts, even those with paid subscriptions, use chat history for AI model training. Users cannot opt out unless they disable chat history or use temporary sessions, and these transcripts may be reviewed by humans. While Google claims to anonymize reviewed chats, they warn against entering confidential information due to potential retention of up to three years.

## Key points

- Gemini personal accounts, including paid subscribers, use chat history for AI training.
- There is no direct opt\-out for training using chat history.
- Users must disable 'Keep Activity' or use temporary chats to prevent training.
- Human reviewers may access chat transcripts, with potential retention up to three years.
- Confidential information should not be entered into Gemini due to review policies.