Is NotebookLM safe with your data?

NotebookLM

Google

66/100

Good disclosure · high confidence

NotebookLM earns a B (66/100) because it discloses most of its data practices.

#21

of 211 apps ranked

score · Productivity avg 54

+12

vs category average

Grade scaleA · 70–100B · 60–69C · 48–59D · 35–47F · 0–34

NotebookLM discloses explicit no-training for inputs unless feedback is provided, tier protections for Workspace users, deletion rights, 3-year retention with feedback minimization, and 18+ age verification.

What NotebookLM's privacy policy and terms of service say about your data

No-train commitment (inputs)

The content in NotebookLM will not be used to directly train our foundational AI models, unless you choose to provide feedback.

Workspace tier protection

Google Workspace or Google Workspace for Education users...will not be reviewed by human reviewers...and will not be used to train AI models

Feedback minimization

disconnecting your feedback from your Google Account before reviewers see or annotate them

Age gate

You must be at least 18 years old or the minimum age required to consent to use the Services

What the policy is silent or vague on

Not stated: a deletion timeline after closure or request
Not stated: shorter retention for AI conversation logs
Not stated: a sub-processor list or data processing agreement
Not stated: disclosure that you are interacting with AI

NotebookLM privacy rating

Training-data use3 of 4 disclosed

Keeps user inputs out of model training, or makes training opt-inDisclosed

Names a way to opt out of or into trainingDisclosed

Says whether training use differs by plan or tierDisclosed

Lets the user keep ownership of generated outputsPartial

Data-subject rights5 of 5 disclosed

Grants a right to access your dataDisclosed

Grants a right to delete your dataDisclosed

Offers data portability in a usable formatDisclosed

Grants a right to correct your dataDisclosed

Grants a way to object to or opt out of processingDisclosed

Retention and deletion1 of 4 disclosed

States a retention period for your dataDisclosed

States a deletion timeline after closure or requestSilent

Sets a shorter retention for AI conversation logsSilent

Commits to collecting only the data it needsPartial

Third-party sharing0 of 5 disclosed

Lists the categories of third parties it shares withPartial

References a sub-processor list or data processing agreementSilent

Does not sell or share data for advertising, or offers opt-outPartial

Names a safeguard for international data transfersPartial

States a standard for government and law-enforcement accessPartial

Transparency2 of 4 disclosed

Discloses that you are interacting with AISilent

Marks AI-generated or synthetic outputNot applicable

Enumerates the categories of data it collectsDisclosed

Maps processing purposes to legal basesPartial

Is versioned and dated, with change noticeDisclosed

Sensitive data and children2 of 2 disclosed

Discloses automated decisions and a human-review pathNot applicable

Limits the use of special-category dataDisclosed

Governs biometric data specificallyNot applicable

States protections for children's dataDisclosed

Security and accountability1 of 3 disclosed

Describes its security safeguardsDisclosed

Commits to breach notificationSilent

Names a certification or a privacy contactSilent

DisclosedPartialSilentAdverseNot applicable

Details

Category: Productivity
Modalities: text
Processes biometrics: No
Policy last updated: 2026-05-26
Region scored: Global / US-default
Last assessed: 2026-07-08

Documents examined

Other productivity apps

Each grade reflects our analysis of what an app states in its public privacy policy and terms as of the assessment date. It measures the transparency of those documents, not the company's actual data practices, security, or compliance. Grades are our opinion, offered for general information. Full disclaimer.