Conversation room · AI assistants
Lumo
Privacy-first AI assistant from Proton in Switzerland
by ProtonUnverifiedNot checked yetNot checked yet
- Entry price
- Free
- Free plan
- yesUnverified · 1 source · 1 Oct
- Platforms
- Web, iOS, AndroidUnverified · 1 source · 1 Oct
- Dutch language
- –
- EU data residency
- –
- Trains on your data
- –
Lumo is the AI assistant from Proton, known for Proton Mail. Your chats are stored encrypted. Proton says it does not use them to train models. Lumo runs open-source models in Proton's European data centres.
Best for
- Chatting without your chats being used for training
- People who already use Proton
Not ideal for
- Making pictures or video
Limitations
- Free use is limited
DNA
- Level
- Beginner
- Platforms
- Web, iOS, Android
- FreeFreeUnverified
Sources and evidence
- Status
- Unverified
- Confidence
- 57/100
- Method
- editorial
- Observed
- 1 Oct 2026
- Confirmed on the official source
- Not yet confirmed verbatim on the official source
Sources
- [Official site] Lumo website (lumo.proton.me)
Facts
Free plan yes Unverified · 1 source · 1 Oct
- Status
- Unverified
- Confidence
- 57/100
- Method
- editorial
- Observed
- 1 Oct 2026
- Confirmed on the official source
- Not yet confirmed verbatim on the official source
Editorial knowledge; pending automated verification on the official page.
Sources
- [Official site] Lumo website (lumo.proton.me)
Platforms Web, iOS, Android Unverified · 1 source · 1 Oct
- Status
- Unverified
- Confidence
- 57/100
- Method
- editorial
- Observed
- 1 Oct 2026
- Confirmed on the official source
- Not yet confirmed verbatim on the official source
Editorial knowledge; pending automated verification on the official page.
Sources
- [Official site] Lumo website (lumo.proton.me)
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Timeline
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Alternatives
All alternatives to Lumo →- FreeUnverified
- FreeUnverified
- FreeUnverified