With Lumo, Proton says it will never use your data to train its AI or share that data with external sources, and promises to delete chat logs.

Proton today launched Lumo, an AI assistant that promises to keep your conversations completely private. Best known for its ...

The company behind Proton VPN, Proton Mail and Proton Pass, has released an open-source AI chatbot that it says isn't trained on user data.