Grammarly is a writing assistant, reviewed for AI writing privacy, content use, sharing, tracking, retention, and controls.
75
Good
75
Good
Grammarly is clearer on service sharing than on tracking, so the main risk is where writing data gets exposed outside your editor.
Grammarly is strongest where it defines business handling, customer ownership, and vendor use more tightly than many AI writing tools.
The weakest area is the broader tracking and product surface, especially once Grammarly runs across many sites, apps, and browser sessions.
75
Good
Grammarly says it does not sell or monetize user or team content.
The company says third-party service providers are not allowed to train their own models on user content.
Users can opt out of having their content used for product improvement and training.
80
Good
60
Mixed
70
Mixed
80
Good
Latest Finding
Open: support.grammarly.com1. No Sale
Grammarly says it does not sell or monetize user or team content.
2. AI Use
The company says third-party service providers are not allowed to train their own models on user content.
3. AI Use
Users can opt out of having their content used for product improvement and training.
4. Grammarly May
Grammarly may still use random samples of aggregated or de-identified content to refine the service unless the user opts out.
5. Sharing
Prompts, prompt text, and contextual information for generative features can be shared with vetted providers to power the experience.
Founded
Unknown
Founder
Unknown
Parent Company
Grammarly
Lifecycle
Active
Category
Productivity & Collaboration
CEO
Unknown
Security Team
In house
Date Added
05-18-2026
Once you delete a chat, you cannot recover it. Deleting a chat removes it both from your visible chat history and the system after the retention window.
Grammarly may still use random samples of aggregated or de-identified content to refine the service unless the user opts out.
Prompts, prompt text, and contextual information for generative features can be shared with vetted providers to power the experience.
80
Good
Grammarly frames limited recipients and restricted data access as core privacy commitments.
The service says user content is not used for advertising purposes.
Least-privilege access controls and audited permissions narrow internal exposure to user data.
Generative AI prompt context can still be shared with a small number of vetted providers.
Team admins, integrations, and deployment choices can still widen who sees account activity or writing context.
60
Mixed
Browser extensions and app integrations can observe text across many writing surfaces while the service is active.
Account, usage, and device data are still collected to operate and secure the service.
Grammarly says user content is not provided for advertising purposes.
Sensitive fields are blocked on a best-effort basis and the product is not built as a public ad platform.
Teams can control where Grammarly is deployed and which users can access it.
70
Mixed
The reviewed FAQ does not provide one short universal deletion window for every text and usage data type.
Enterprise or team workflows can preserve account context and writing history longer than an individual user may expect.
Users can delete personal data by deleting their account.
Personal data reports provide visibility into what Grammarly processes about a user.
Team administration tools let organizations add, remove, or transfer accounts.
The FAQ documents structured privacy rights and hosting practices rather than leaving retention fully opaque.
80
Good
Users can request a personal data report and delete their account data.
Users can opt out of content use for product improvement and training.
Team admins can manage deployment, roles, permissions, and multi-factor access for business use.
Users can control where Grammarly is enabled across sites and apps.
Users still need to actively disable Grammarly on sensitive sites or workflows.
Generative features and team deployments can make the control surface harder to reason about than a simple browser extension.
