Is Grok safe with your data?

Grok

xAI

43/100

Weak disclosure · high confidence

Grok earns a D (43/100) because it leaves much about its data practices unstated.

Dealbreaker flag

D1.4: irrevocable, perpetual, transferable, sublicensable, royalty-free, and worldwide right to xAI to use, copy, store, modify, distribute, reproduce, publish, display in public forums, list information regarding, make derivative works of

#143

of 211 apps ranked

score · Assistant avg 50

-7

vs category average

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

Grok offers opt-out from training and 30-day deletion for Private Chat, but grants xAI broad perpetual sublicensable rights to outputs and uses indefinite default retention for non-opted data.

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

Training consent with no way to exercise it

The policy says users can "select" whether to consent to training but never explains how or where. No setting, screen or process is identified.

Default retention is open-ended

Retention is described only as "We retain your personal information where we have an ongoing legitimate business need to do so", with no time limit. The 30-day deletion applies to Private Chat or to data you explicitly ask to have deleted, so everything else is kept indefinitely.

No opt-out from ad targeting

The policy says cookies are used to "deliver relevant content and targeted advertising" but discloses no way to opt out of that use.

Perpetual content licence stands

The perpetual, sublicensable licence over user content is real, not a misreading. The policy also stays silent on any opt-out from ad targeting.

What the policy is silent or vague on

Not stated: a way to opt out of training
Not stated: whether training use differs by plan
Not stated: your ownership of generated outputs
Not stated: data portability

Grok privacy rating

Training-data use0 of 4 disclosed

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

Names a way to opt out of or into trainingSilent

Says whether training use differs by plan or tierSilent

Lets the user keep ownership of generated outputsAdverse

Data-subject rights2 of 5 disclosed

Grants a right to access your dataDisclosed

Grants a right to delete your dataDisclosed

Offers data portability in a usable formatSilent

Grants a right to correct your dataPartial

Grants a way to object to or opt out of processingPartial

Retention and deletion0 of 4 disclosed

States a retention period for your dataPartial

States a deletion timeline after closure or requestPartial

Sets a shorter retention for AI conversation logsSilent

Commits to collecting only the data it needsPartial

Third-party sharing1 of 5 disclosed

Lists the categories of third parties it shares withDisclosed

References a sub-processor list or data processing agreementPartial

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

Names a safeguard for international data transfersSilent

States a standard for government and law-enforcement accessSilent

Transparency2 of 5 disclosed

Discloses that you are interacting with AIDisclosed

Marks AI-generated or synthetic outputPartial

Enumerates the categories of data it collectsDisclosed

Maps processing purposes to legal basesPartial

Is versioned and dated, with change noticePartial

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 safeguardsPartial

Commits to breach notificationSilent

Names a certification or a privacy contactDisclosed

DisclosedPartialSilentAdverseNot applicable

Details

Category: Assistant
Modalities: text, image
Processes biometrics: No
Policy last updated: 2026-04-04
Region scored: Global / US-default
Last assessed: 2026-08-13

Documents examined

Other assistant 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.