Privacy Policy Verification
Don't take our word for it. Here's what each AI service says about your data.
We've compiled direct quotes from official privacy policies and support documentation. All sources were verified and dated on September 17, 2026. Click any source to read the full policy.
Claude (Anthropic)
By default, Anthropic employees cannot access your conversations unless you explicitly consent to share your data with us as a part of giving us feedback or Review is needed to enforce our Usage Policy. In such cases, your conversation data is protected through strict access controls. Only designated members of our Trust & Safety team may access this data on a need-to-know basis as a part of their evaluation process.
Key details for users
- By default: Your conversations are NOT used for training
- Exception: If flagged for safety, human review may occur
- Retention: Safety-flagged conversations kept for up to 2 years
- Your control: You can opt out of training entirely
ChatGPT (OpenAI)
We use a combination of automated technologies and human review to monitor activity on our services, in line with our Privacy Policy.
Key details for users
- By default: Conversations ARE used to improve models and train AI
- Exception: Enterprise customers can disable this
- Retention: Conversations kept per terms of service (indefinite for free tier)
- Your control: Free tier users have limited control; opt-out available for Enterprise
Gemini (Google)
A subset of chats are reviewed by human reviewers (including Google's trained service providers) to help improve Google services. These include Gemini models, other generative AI models that power Gemini Apps, and technologies that help reduce unintended activations.
Key details for users
- By default: Conversations ARE reviewed by humans for service improvement
- Exception: Use Temporary Chat mode to exclude from training (but still reviewed for safety)
- Retention: Reviewed chats kept for up to 3 years
- Your control: Limited; Temporary Chat is the best option
Grok (xAI)
We retain your personal information where we have an ongoing legitimate business need to do so. In certain circumstances, we will retain your information for legal reasons after our contractual relationship has ended. The specific retention periods depend on the nature of the information and why it is collected and processed and the nature of the legal requirement.
Key details for users
- By default: Privacy settings unclear; routine review not explicitly stated
- Exception: Private Chat mode (30-day deletion policy)
- Retention: Varies by feature; may be kept indefinitely for legal reasons
- Your control: Private Chat feature provides some protection
At a glance
| Feature | Claude | ChatGPT | Gemini | Grok |
|---|---|---|---|---|
| Human review? | Only if flagged | Routine (default) | Routine (default) | Not clearly stated |
| Training data? | Opt-out available | Used by default | Used by default | Varies by mode |
| Retention time | Up to 2 years (safety) | Indefinite (free tier) | Up to 3 years | Varies; Private Chat ~30 days |
| Can delete? | Yes, full opt-out | Limited (Enterprise) | Limited | Private Chat helps |
How we verified this information
- All quotes sourced from official company privacy policies or support documentation
- Links point directly to authoritative sources (not aggregators or articles)
- Verification date: September 17, 2026
- We check for updates quarterly
- None of these companies paid for placement or representation
Last updated: September 17, 2026. If any policy changes, we'll update this page within 24 hours.