Gemini (Free) — privacy & data policy

Provider: Google. PromptPrivacy score: 60/100. Last verified July 26, 2026.

What happens to your data?

Google uses your chats, uploads, and interactions to provide and improve its services, including training AI models. Some data is reviewed by human reviewers to improve safety and accuracy, and your data may be shared with connected apps or third-party services you authorize.

Does it train on your data?

User data is used to train generative AI models by default. Users can opt out of training by turning off the 'Keep Activity' setting.

Can you opt out?

Yes, you can turn off the 'Keep Activity' setting to prevent your future chats from being used to train AI models.

Data retention

Default 18 months (configurable to 3, 36 months, or indefinite). Human-reviewed chats are retained for up to 3 years. Temporary chats are retained for 72 hours.

Encryption & security

Not specified

Is it safe for work?

No, the policy explicitly warns users not to enter confidential information that they would not want a human reviewer to see.

Source policy: https://support.google.com/gemini/answer/13594961