Grok (X)
What the default settings do
Grok, built by xAI and integrated into X, defaults to using your public posts and your interactions with Grok itself, your prompts, inputs, and the results you get back, to train and fine-tune its models. This setting is on by default for most accounts, and when it first appeared in July 2024, it had been enabled without a specific notification, which is part of why it became a recurring point of criticism. The toggle covers two things at once: your public posts on X, and separately, your conversations with Grok directly.
Turning the setting off only affects data going forward. Neither X nor xAI describes a way to retroactively remove your data from a model that has already been trained on it; opting out stops new collection but does not undo prior training use. Deleting a post you’ve already made works the same way: once it’s been used for training, deleting the post afterward does not remove whatever the model already learned from it.
There’s a meaningful regional difference here, and it didn’t come from X volunteering better defaults. Ireland’s Data Protection Commission took X to the Irish High Court in August 2024 over training Grok on EU and EEA users’ public posts without a proper legal basis. X agreed to suspend that processing, and by September 2024 agreed to permanently stop using EU and EEA users’ public posts from a specific window in 2024 for Grok training, a resolution formalized through the Irish courts. The practical result is that EU and EEA users have a firmer, regulator-backed protection here than users elsewhere, where the training toggle remains the main lever.
X’s help documentation also states that making your account private excludes your posts from being used for Grok training and from its image tools, and this is described as a more dependable way to opt out for new content than the toggle alone. Grok also has a memory feature that lets it recall details across separate conversations, reportedly on by default with per-item view and delete controls, though this feature has been documented mainly through secondary reporting rather than a page we could independently verify at publication time, and it’s reported not to be available to users in the EU and UK.
A reasonable privacy baseline
These settings are found in Settings and privacy → Privacy and safety on X, in a section that has been relabeled a few times and may currently appear as Grok, Grok & Third-party Collaborators, or Data Sharing depending on your account and region.
Training opt-out
Settings and privacy → Privacy and safety → Grok → Turn off "Allow your posts and your interactions with Grok to be used for training and fine-tuning"
This is the core toggle. Wording and exact placement have shifted over time, so if you don't see it under this label, look nearby within Privacy and safety. Turning it off stops your public posts and your Grok conversations from being used for future training; it does not remove anything from models already trained.
Make your account private → Consider if avoiding training use is a priority
Per X's own documentation, a private account is described as a more dependable way to keep your posts out of Grok's training data than the toggle by itself, since it changes who can see the posts in the first place rather than relying on a separate data-use setting.
EU/EEA users
No separate action typically required for EU/EEA accounts → Verify your regional status if unsure
Following the Irish Data Protection Commission's intervention, X agreed to permanently stop using EU and EEA users' public posts for Grok training from a defined period. If you're unsure whether your account is treated as EU or EEA based, checking your account's stated region and reviewing the training toggle directly is still worth doing rather than assuming.
Grok memory
grok.com or the Grok app → Settings → Data Controls → Memory → Review and delete stored items if present
Where this feature is available, it's reported to let Grok recall context across separate conversations by default, with the ability to view and delete individual memories. Because we could not independently confirm the exact current path from an official X or xAI page, treat this description as approximate; the setting is worth locating and reviewing under Data Controls if you use Grok regularly.
Trade-offs
- Turning off the training toggle does not undo any past use of your posts or conversations, so the benefit is entirely forward-looking.
- Making your account private is a stronger lever against training use, but it changes who can see your posts generally, not just how they’re used for AI, which is a much bigger change if you post publicly for reach or professional visibility.
- If you’re outside the EU or EEA, there is currently no regulator-backed guarantee comparable to what those regions have; the toggle is the main tool available, and its effectiveness relies on X’s own compliance rather than external enforcement.
- Disabling Grok’s memory, where available, means losing continuity across separate conversations, so you’ll need to re-establish context each time.
Who should not change these settings
- If you’re an EU or EEA user, the regulatory intervention already provides a stronger baseline than the toggle offers elsewhere, so there’s less urgency to change anything specifically for training purposes, though reviewing the toggle directly is still a reasonable check.
- If you maintain a public account deliberately for reach, such as for a business, publication, or public persona, making the account private to limit AI training use would undercut the reason you have a public account in the first place; the training toggle alone is the more proportionate step.
- If you use Grok’s memory feature and find it genuinely useful for ongoing projects or a consistent conversational style, keeping it enabled is a reasonable trade for that continuity.
- If you’re comfortable contributing your public posts to Grok’s training and don’t view your public X activity as meaningfully different from any other public content you’ve chosen to share, leaving the default on is a coherent choice.