The creators of Proton Mail, Proton VPN, and Proton Pass have officially entered the generative AI race with a powerful statement: Privacy is not optional. Today, Swiss-based company Proton launched Lumo, an open-source, privacy-first AI assistant built as a direct and secure alternative to mainstream AI chatbots like OpenAI’s ChatGPT, Google’s Gemini, and Anthropic’s Claude.
At its core, Lumo is designed to protect user data — not harvest it. Unlike many other generative AI models that continuously train on user interactions, Proton says Lumo’s architectur ...
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