this post was submitted on 03 Sep 2025
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[... Lumo] is the least open "open" AI assistant that we have ever added to our index. One of our reasons for inclusion is an openness claim: a model provider that calls their system "open" or "open source" or a variation on that. Lumo is "open" in that sense (Proton calls it open source) but in no other way. Nothing about it is currently open. [...]

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[–] MHLoppy@fedia.io 15 points 3 days ago (1 children)

Leaving this comment just shows that you haven't read the submission lol

The only open source code we have found is for the Lumo mobile and web apps. Proton calling the Lumo AI assistant open source based on that is a bit like Microsoft calling Windows open source just because there's a github repository for Windows Terminal.