We value your privacy

We use necessary cookies to run the site and, with your consent, analytics and marketing cookies to improve it. You can change your choice anytime. Privacy Policy

Firstier
  • Security
  • Pricing
Book a scoping call
All AI tools
Grok

Grok

X.AI Corp.

High riskLLM / ChatHow we rate

Short answer

Short answer: keep work data out of consumer Grok — it trains on your interactions by default, the opt-out is limited, and it's under an EU regulator inquiry. The enterprise API is more governed (no training, DPA), but the certification posture is unverified.

At a glance

Vendor / legal entity
X.AI Corp.
Headquarters
🇺🇸 Palo Alto, US
Category
LLM / Chat
Ownership / jurisdiction
US company (X.AI Corp.), Palo Alto; privately held, controlled by Elon Musk; legally separate from X Corp.
Trains on your data?
On by default — opt-out available
Data hosting & residency
US-based company; no EU data-residency option could be verified from primary sources.
Enterprise tier
xAI does not use business and enterprise (API) customer content to train models, and offers a DPA and BAA. Consumer Grok trains by default with a limited opt-out.
Certifications
No certifications assessed yet

Why this rating

High risk

Grok uses your content and interactions to train models by default; the opt-out is limited (unauthenticated users outside the EU/UK cannot opt out). Ireland's Data Protection Commission opened a 2025 statutory inquiry into training the Grok models on EU/EEA users' public X posts, after 2024 court proceedings halted the processing. No security certifications could be verified from primary sources. The enterprise API excludes training and offers a DPA. High: an active EU regulator inquiry, limited opt-out and unverified certification posture outweigh the enterprise path.

How we rate

What it is

Grok is xAI's conversational model, available as a standalone product and integrated into X (formerly Twitter). Consumer content and interactions are used to train the models by default, and the opt-out does not cover unauthenticated users outside the EU/UK. Ireland's DPC opened an inquiry in 2025 into xAI-linked training on EU users' public posts. The enterprise API excludes training and provides a DPA — but no security certifications could be independently verified.

Known incidents & regulatory actions

  • Ireland's DPC opened a statutory inquiry into the xAI-linked X entity over using EU/EEA users' public X posts to train the Grok LLMs, after 2024 High Court proceedings halted the processing.

    2025 · Sources

Legal & compliance examples

How the same tool can be a safe helper or a high-risk deployment — the difference is what it decides about a person. Examples authored with Firstier's governance findings.

High riskEU AI Act — Annex III(4) high-risk · Art. 5(1)(f) prohibited

Don't: Screen candidate CVs and auto-reject applicants, or infer a candidate's emotions in a video interview.

Fine: Draft a job description, summarise public market research, or brainstorm interview topics — with no automated decision about a person.

These examples are general information, not legal advice, and are pending a legal review. Your obligations depend on your exact use, tools, and set-up.

Check your EU AI Act risk class →

Frequently asked questions

Does Grok train on your data?

Yes — consumer content and interactions are used to train the models by default. You can disable it under Settings › Data Controls, but unauthenticated users outside the EU/UK cannot opt out. Business/enterprise API data is excluded.

Is Grok under regulatory scrutiny in the EU?

Yes — in 2025 Ireland's Data Protection Commission opened a statutory inquiry into the processing of EU/EEA users' public X posts to train the Grok models.

How do I govern Grok at work?

Firstier Shield discovers Grok usage in the browser, redacts personal data before it reaches the tool, and lets you block or allow-list it per group.

Sources

Every fact and the risk rating on this page trace to a primary source — the vendor's own trust center, privacy policy, DPA, or a regulator. Verify current terms before relying on them.

  • •Consumer training & limited opt-out; enterprise excluded
  • •Enterprise DPA/BAA
  • •Irish DPC inquiry (incident)

Govern this tool

Firstier Shield turns these risk facts into enforcement — discover who uses the tool, redact personal data before it reaches it, and allow-list or block it per team.

Book a demoSee how Shield Web governs AI

Risk levels are Firstier's curated assessment from cited primary sources — a curated assessment, not a certification, and not legal advice. Verify a tool's current terms before relying on them.

Subscribe to our newsletter

Product and governance updates — see our privacy policy.

Firstier

See, control and prove every AI use, for your people and your agents.

Built in Munich. Governance that moves at the speed of AI.

  • Product

    • Shield Web
    • Shield Control
    • Shield Desktop
    • Shield Mobile
    • Pricing
    • Download
  • Solutions

    • For CISOs
    • For Operations
    • For AI Teams
  • Use Cases

    • AI Governance
    • AI Agent Security
    • LLM Access Control
    • Secure AI Deployment
    • Enterprise Operations
    • Financial Services
    • HR & Recruiting
  • Resources

    • Help Center
    • Blog
    • Guides
    • Glossary
    • Changelog
    • Compare
    • FAQ
  • Company

    • About
    • Careers
    • Security & Trust
    • Contact
  • Tools

    • Disclose
    • AI Risk Calculator
    • EU AI Act Checker

© 2026 Firstier. All rights reserved.

  • ·Legal
  • ·Privacy
  • ·Terms
  • ·Partner Terms
  • ·GDPR / DPA
  • ·