About Lumo
Lumo is a privacy-first AI assistant developed by Proton that features zero-access encryption for confidential conversations. It helps users research, write, and brainstorm without tracking queries, logging chats, or using data to train models.
Ideal for
Key Features
- Zero-access encryption guarantees completely confidential AI chats
- Does not track, record, or train AI models on user conversations
- Protected by strict Swiss privacy laws and Proton infrastructure
- Supports guest mode without requiring mandatory account creation
- Available across web browsers and native mobile applications
- Advanced multi-turn reasoning and higher capacity require Proton subscriptions
- Ecosystem integration is focused primarily within Proton services
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