Let's go through the actual privacy policies of every major AI service. Not summaries. Not marketing language. The actual terms.
OpenAI (ChatGPT)
From OpenAI's privacy policy:
"We may use Content to provide, maintain, develop, and improve our Services."
Translation: Your conversations may be used to train future models.
"We may also use Content...to comply with applicable law, to enforce our terms, and to prevent abuse."
Translation: OpenAI employees can access your conversations.
The opt-out exists — buried in Settings → Data Controls → "Improve the model for everyone" toggle. Most users never find it. Even with it off, conversations are still stored on OpenAI's servers.
Google (Gemini)
From Google's Gemini privacy notice:
"Human reviewers read, annotate, and process your Gemini Apps conversations."
This is not ambiguous. Human beings at Google read your Gemini conversations. They do this for "quality and safety" purposes. Your conversations are retained for up to three years.
Gemini conversations are linked to your Google account — the same account connected to your Gmail, YouTube history, location data, and search history.
Anthropic (Claude)
From Anthropic's privacy policy:
"We may use Inputs and Outputs to...detect, prevent, and address...safety concerns."
Translation: Anthropic can review your Claude conversations for safety research.
Claude conversations are logged and stored. The retention period and access controls are governed by Anthropic's internal policies — not yours.
Microsoft (Copilot)
Microsoft Copilot processes data through Azure. For enterprise users, your organization's IT administrators can access Copilot interaction logs. For consumer users, Microsoft's standard data collection applies — which includes using data to "improve products and services."
What "Delete" Really Means
When you delete a conversation in ChatGPT, the UI removes it from your view. But:
- OpenAI's systems may retain the data for up to 30 days
- Backups and logs may persist longer
- Data that was used for training before deletion cannot be "untrained"
"Delete" in cloud AI means "hide from you." It does not mean "erase from existence."
The Alternative
VaultAI requires zero network connections. Your prompts never reach a server, because there is no server to reach.
Your conversations exist in one place: the SSD in your hand. Delete a conversation and it's gone. Unplug the SSD and there is no trace on the host computer.
This isn't a privacy feature. It's the absence of infrastructure that could violate your privacy.
There is nothing to hack. Nothing to subpoena. Nothing to leak. Nothing to train on.
The Question
Every time you type a question into a cloud AI service, ask yourself:
Would I be comfortable if this conversation were read by a stranger?
If the answer is no, you shouldn't be typing it into someone else's server.
VaultAI — up to 46 models, 100% local, 100% private. vaultai.us

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Every AI Model Inside VaultAI, Explained
Every AI Model Inside VaultAI, Explained