Lumo
Proton's hosted AI assistant with zero-access encryption of saved chats and a strict no-logs policy.
Best ChatGPT Alternatives in 2026
4 private alternatives, vetted against our public criteria.
ChatGPT keeps you signed in, can use your conversations to improve its models, and ties everything to an account. These assistants send prompts to a server too, but pledge not to train on them and collect far less, and for full secrecy you can run a model locally.
Duck.ai
DuckDuckGo's private AI chat that lets you talk to multiple models with no account and no training on your prompts.
Euria
Infomaniak's Swiss-hosted AI assistant that pledges no training on user data and operates under GDPR and Swiss data law.
Apple Intelligence
Apple's AI. On-device where it can, with verifiable Private Cloud Compute for the rest.
Why settings won’t fix ChatGPT. Turning off chat history changes what you see in the sidebar, not the underlying incentive to learn from usage and keep you inside one company’s product line. The business model points away from your privacy, so the fix is a provider whose money does not come from your conversations.
What actually matters in a private AI assistant. A clear no-training pledge, minimal logging, and no advertising profile built from your questions. A strong privacy jurisdiction and an open-source client help. For anything sensitive, a model you run yourself is the only version where the text never leaves your device, which is what our Local AI picks are for.
How to switch. Point your everyday questions at a private assistant and use it the way you used ChatGPT. Keep one mainstream account only for the hardest tasks the largest models still win, and run a local model for private work. The trade is a small step down in raw capability for a large step down in exposure.