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.

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

Proton, the company behind the encrypted email service Proton Mail, has launched an AI assistant aimed at preserving user privacy. The new chatbot, called Lumo, can summarize documents, generate code, write emails, and more, while storing data locally on users’ devices.