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https://lumo.proton.me/aitrail

Lumo

Lumo is Proton's privacy-first AI assistant, a zero-access-encrypted, no-logs, open-source chatbot owned by a Swiss nonprofit, built as an alternative to data-harvesting Big Tech AI, where conversations stay confidential and are never used to train the model.

Active
Since 2026
Geneva, Switzerland

Lumo is Proton's privacy-first AI assistant, a zero-access-encrypted, no-logs, open-source chatbot owned by a Swiss nonprofit, built as an alternative to data-harvesting Big Tech AI, where conversations stay confidential and are never used to train the model. From the team behind Proton Mail and Proton VPN, it keeps no server-side logs, encrypts saved chats so only your device can read them, is GDPR-subject with on-demand data deletion, and publishes its code so the privacy claims can be independently verified.

Additional details

Formats
web app
Number of integrations
0
Activity status
Likely Active
Issues addressed
surveillance
Geographic focus
Global

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