Want a private ChatGPT alternative? How Proton's Lumo 2.0 locks down your data, EU style
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ZDNET's key takeaways
- Proton debuts Lumo 2.0, overhauling the chatbot for increased security and responsiveness.
- The maker of ProtonMail and ProtonVPN says its AI bot is never trained on user data.
- The latest Lumo targets consumers and businesses that want to keep conversations private.
Proton, best known for its ProtonMailVPN and encrypted email service ProtonMail, has announced Lumo 2.0, the second iteration of its 'privacy-first' AI chatbot, featuring "the most significant change since launch."
First announced in 2025, Lumo arrived as a privacy-preserving alternative to popular AI models such as OpenAI's ChatGPT and Anthropic's Claude. While able to perform many of the same tasks -- answering user queries, searching the web, generating content including text and images, and analyzing uploaded files -- Proton emphasizes security and privacy features that other AI models don't prioritize.
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