Grok — privacy & data policy

Provider: xAI. PromptPrivacy score: 45/100. Last verified May 03, 2026.

What happens to your data?

xAI collects your account information, conversation history, and any files or images you upload to improve their AI models. They also use publicly available internet data and X posts to train their systems, so you should avoid sharing sensitive personal information in your prompts.

Does it train on your data?

User content (inputs and outputs) and feedback data are used to develop and improve the service and to train models.

Can you opt out?

Not specified

Data retention

Not specified

Encryption & security

Not specified

Is it safe for work?

Not recommended for sensitive business data, as the policy explicitly warns users not to include personal information in prompts and states that user content is used to train models.

Source policy: https://x.ai/legal/privacy-policy