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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.

Reporting by ZDNet AI 1 min brief
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The KeyNews take

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 know

  1. Proton Lumo 2.0 launch (second generation)

  2. Zero user data training claim

  3. Privacy-first positioning vs. OpenAI ChatGPT

  4. EU data protection alignment

  5. Product ships from established privacy brand (ProtonMail/ProtonVPN maker)

  6. Proton Lumo 2.0 product launch

  7. Never trains on user data (privacy positioning)

  8. EU-compliant data handling

  9. Direct competitor framing to ChatGPT

  10. 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.
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