Does Gemini train on my data?

The short answer depends on your plan. Here's each Gemini plan, graded from Google's own policy pages.

D Gemini app (personal account)

Why this grade: Used for training and human review while Keep Activity is on. Reviewed chats are kept up to 3 years even after you delete them. Google warns against confidential info.

Trains on your data by default	yes while Keep Activity is on (default state not stated)
Can you opt out?	yes
How to opt out	Gemini Apps Activity → Keep Activity → off, or use Temporary chats.
Admin can enforce settings	n/a (personal account)
How long data is kept	Auto-delete 18 months by default; human-reviewed chats kept up to 3 years; 72 hours with Keep Activity off
Human review	yes
DPA available	unknown
SOC 2	unknown

"Please don't enter confidential information that you wouldn't want a reviewer to see or Google to use to improve our services"

Source: https://support.google.com/gemini/answer/13594961 · checked 2026-10-16

B Gemini in Google Workspace

Why this grade: No training outside your domain and no human review. A Workspace DPA and SOC 2 exist, but we couldn't confirm that Gemini is in the SOC 2 audit scope.

Trains on your data by default	no
Can you opt out?	n/a
How to opt out	unknown
Admin can enforce settings	unknown
How long data is kept	unknown
Human review	no
DPA available	yes (Cloud Data Processing Addendum covers Workspace)
SOC 2	yes (Workspace SOC 2 Type II; Gemini's scope not separately confirmed)

"Your content is not human reviewed or otherwise used for Generative AI model training outside your domain without permission."

Source: https://support.google.com/a/answer/15706919 · checked 2026-10-16