Proton Lumo

Privacy-focused AI chat assistant with zero-access encryption and no chat logging or training use.

Webfreemium

Proton Lumo is a privacy-focused AI chat assistant from the makers of Proton Mail and Proton Drive that stores conversations with zero-access encryption and never uses them for ad targeting or model training. It can be used anonymously via Tor without an account and includes image generation, web search, document analysis, and Proton Drive integration. It's aimed at professionals and teams who handle sensitive information and want an alternative to mainstream AI chat tools that retain conversation data.

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