How to Opt Out of Grok AI Data Collection on X (Twitter)
Opt out of AI services use of your personal information for future training data.
Grok is xAI's AI assistant built into the X (formerly Twitter) platform. By default, your X account data and activity may be used as part of Grok's data practices. You can limit this through X's privacy settings, though the opt-out applies to future use and does not remove data already collected. This 2026 guide walks through each step and the realistic limits.
Why this matters. Consumer AI products use chats, posts, and account data to train models by default. Once your information is included in a training run, it cannot be removed retroactively. The earlier you opt out, the more of your data stays out. Priwall by mePrism tracks every major AI opt-out so you can act before, not after.
Why opt out of Grok and xAI data collection?
Grok may collect your X account information, content you post and interact with, your prompts and inputs when using Grok, Grok's outputs and your feedback, and your conversation history. Public posts on X can also feed Grok training without any additional action on your part. Your views, writing style, and questions can therefore shape how Grok responds to other users. The opt-out applies going forward — it does not remove already-collected data — so the sooner you toggle it off, the more of your activity stays out of future training. Use Private Chat for sensitive sessions and the xAI Privacy Portal to exercise data rights.
Quick facts
| Service type | AI assistant built into X (Twitter) |
|---|---|
| Data used by default | X activity, posts, prompts, Grok outputs, feedback |
| Opt-out method | Privacy and safety → Grok & Third-party Collaborators / Data sharing |
| Applies to | X account data sharing with Grok and xAI |
| Extra control | Private Chat (deletes within ~30 days), xAI Privacy Portal |
How to opt out of Grok and xAI data collection
- Open X and sign in. Go to x.com on web or open the X mobile app, signed in to your account.
- Open Settings and privacy. On web, click More in the left sidebar and choose Settings and privacy. On mobile, tap your profile icon, then Settings and Support → Settings and privacy.
- Open Privacy and safety. Within Settings and privacy, choose Privacy and safety.
- Find Grok & Third-party Collaborators. Look for Grok & Third-party Collaborators (sometimes labeled Data sharing) in the privacy menu.
- Uncheck the data-sharing option. Uncheck or toggle off the option that allows your data to be shared with Grok and xAI.
- Use Private Chat and the Privacy Portal. For sensitive prompts, use Grok's Private Chat mode (sessions delete within about 30 days). Visit x.ai/privacy-portal to submit access, deletion, or portability requests.
Steps current as of 2026; if the platform has changed its flow, see their current privacy or settings page.
Tired of chasing AI privacy settings?
Priwall by mePrism finds your AI opt-out controls across major platforms, helps you turn them off, and monitors for changes — so a single policy update doesn't silently re-expose your data.
What to expect after opting out
Once toggled off, your data is no longer shared with Grok and third-party collaborators going forward. Data already collected or shared is not automatically deleted; use the xAI Privacy Portal to submit formal access or deletion requests. Public posts already on X remain on the platform — the toggle controls Grok-specific data sharing, not your overall X visibility. Private Chat sessions are not saved to your history and are deleted within about 30 days, subject to legal, safety, or compliance retention.
Frequently asked questions
Does opting out remove my X public posts from Grok training?
Not retroactively. The setting controls future data sharing. Submit deletion requests via the xAI Privacy Portal for past data.
Are Private Chat conversations always deleted?
Conversations in Private Chat mode aren't saved to history and are deleted within about 30 days, except where legal, safety, or compliance reasons require longer retention.
Where do I make formal data rights requests?
Use the xAI Privacy Portal at x.ai/privacy-portal to submit access, deletion, or portability requests.
Does the toggle stop Grok from working?
No. Grok continues to function. The toggle limits how your data is shared for training and improvement.
Is the setting in the same place on web and mobile?
Both routes go through Privacy and safety, but the menu paths differ slightly. The guide covers both.
"Tracking AI opt-outs across a dozen services was driving me crazy. Priwall by mePrism handles them in one place — and tells me when something changes. Worth every dollar."
— David L., Chicago IL, mePrism customer
Related AI opt-out guides
- How to Opt Out of ChatGPT Model Training
- How to Opt Out of Claude Model Training
- How to Opt Out of Gemini AI Data Collection