ChatGPT, 
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Gemini, 
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Privacy is usually the biggest reason someone chooses to self-host an AI model instead of using a cloud AI provider. That instinct is reasonable, but it helps to know exactly what "private" does and doesn't mean in this setup, so you know what you're actually getting.
What Self-Hosting Actually Changes
When you run a model locally, for example, DeepSeek through Ollama and Open WebUI, on your own Self-Managed VPS or VDS, the biggest change is this: in a fully local setup, your questions, documents, and conversations aren't sent to an outside AI company to be processed, since the model itself is running on your own server rather than theirs. That's a real and meaningful privacy benefit, and it's the main reason this setup exists.
For more on this specific distinction, see our article on Local AI vs. Cloud AI.
What Self-Hosting Doesn't Automatically Mean
"On your own server" isn't the same thing as "invisible to everyone" or "impossible to access." A few things are worth understanding clearly:
- Your server still exists on the internet. Unless you specifically lock it down, it's still a computer that can be reached, the same as any other server. Normal security practices, like keeping software updated and using strong passwords, still apply.
- Bluehost doesn't access or process your AI conversations as part of hosting your server. Bluehost maintains the underlying infrastructure your server runs on, which is a different thing from an AI company reviewing your prompts for its own purposes.
- Self-hosted doesn't mean offline. Some AI apps and agents are set up with tools that browse the web, call outside services, or connect to other apps. If a feature like that is turned on, some information can still leave your server, just not to an AI provider specifically.
- You're responsible for keeping it secure. With a Self-Managed VPS or VDS, you have full root access, which also means securing the server is on you, not something handled automatically in the background.
A Quick Comparison
| Question | Fully Local Setup | Cloud AI Provider |
|---|---|---|
| Does an AI company see my data? | Not in a fully local setup | Yes, it's processed on their servers |
| Is my server automatically secure? | No, you're responsible for it | Not applicable, the provider secures their own infrastructure |
| Can data still leave my server at all? | Only if a connected tool or integration sends it out | Yes, by design, since the model itself is elsewhere |
| Who's responsible for keeping things private? | You | Shared between you and the provider |
A Few Good Habits
- Keep your server updated. Regular updates to your operating system and installed apps close known security gaps.
- Know what your agent is connected to. If you've given an AI agent access to other apps or the ability to browse the web, understand what information that could expose. Our article on why AI agents ask for permission covers this in more detail.
- Use strong, unique credentials. This applies to your server login and any accounts connected to your AI setup, same as you would for any other important account.
- Only grant the access an app actually needs. This is covered in more depth in our article on API tokens.
Summary
Self-hosting an AI model, in a fully local setup, keeps your data off an outside AI company's servers, which is a real privacy benefit. But it doesn't mean your server is invisible, automatically secure, or completely cut off from the internet. Self-hosting shifts the responsibility for privacy and security onto you, rather than removing that responsibility altogether. Good basic security habits are what actually make a self-hosted setup private in practice, not just the fact that it's self-hosted.