Want a private ChatGPT alternative? How Proton's Lumo 2.0 locks down your data, EU style
Proton just shipped Lumo 2.0—a ChatGPT alternative that never trains on your data. Privacy as a product differentiator is becoming table stakes.
Why it matters
Proton's Lumo 2.0 represents a growing market segment of privacy-first AI products competing on data protection guarantees rather than raw capability—relevant as enterprises and individuals demand alternatives to closed-model data practices.
The key facts
10 to knowProton Lumo 2.0 launch (second generation)
Zero user data training claim
Privacy-first positioning vs. OpenAI ChatGPT
EU data protection alignment
Product ships from established privacy brand (ProtonMail/ProtonVPN maker)
Proton Lumo 2.0 product launch
Never trains on user data (privacy positioning)
EU-compliant data handling
Direct competitor framing to ChatGPT
Second-generation chatbot release
Go to the source
ZDNet AIzdnet.com
Publisher excerpt: The maker of ProtonMail and ProtonVPN says its second-generation chatbot is never trained on user data.