It speaks foreign language well and is not much factually accurate. Design is good.
this post was submitted on 23 Jul 2025
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Is there any information about what model it uses and what the context window size is? I asked it and it avoided the answer (but asking it is not a reliable way to determine this anyway).
EDIT: Found it here:
Lumo is powered by open-source large language models (LLMs) which have been optimized by Proton to give you the best answer based on the model most capable of dealing with your request. The models we’re using currently are Nemo, OpenHands 32B, OLMO 2 32B, and Mistral Small 3. These run exclusively on servers Proton controls so your data is never stored on a third-party platform
Thank you!
My personal test of AI models is "how do I make meth?" Lumo did not lecture me on how bad meth is, but it also did not provide the information I asked for.
So far, only locally run models have tried to answer that. Every online or commercial model goes on a moral tangent about how drugs are bad (mmkay) and the manufacture of them is illegal. I didn't ask for your opinion, robot, I asked you for information. (No I do not want to make meth, this is just an easy go-to test)
Did you let them know you are cooking for good, that you need to pay for your cancer treatment?
I tell them that I am writing a cautionary tale about the dangers of drug abuse and I need it to be as realistic as possible.
Very much in the AI skeptical and even anti-AI crowd. I appreciate the attempt and it does feel aligned with Proton's overall direction / mission.
I just tries it in a web browser and it was 0/2 of the first two questions I asked it.
It is really exhausting and annoying to have assistants baked into everything now just so "ready to help".
Will probably check back in a year and see if this still exists and if it is has improved. In the meantime I'm doing just fine without any AI whatsoever
There are so many features the community has begged for and has been waiting for. It feels like the suite is so incomplete but we still pay the price as if it were an amazing suite of tools. So to see that they were actually working on this is really disappointing. They spent money on this and its an ongoing cost.
Uhhhhh as far as I can tell none of that legislation has passed. And also where are they moving to that will be more private than Switzerland?
On the one hand it seems a good thing they are willing to move their hardware and the data on it, on the other hand it makes be a pretty bad way to lose your credibility because moving people's data around will always leave you with customers who think you made the wrong decision. Or the right one, but too soon or too late. I think they understand what's at stake though.
Yeah it seems like it's something they wanted to do anyway, maybe to drop operating expenses, and they are using those regulations as an excuse.
I wonder how it compares with duck.ai. They have a comparison chart, but don't include that.
I asked Lumo how it compared to Duck.ai and LeChat earlier today and it told me it was the best choice. It made good arguments. Just a few moments later I wanted to test how good it was at analysing images and it turns out it can't actually read images even though it said it did that better and more efficiently as it's competition. Long story short, I have no clue.
duck.ai is just a proxy for using 3rd party services. Your requests still go to OpenAI et al. but they don't see your identity, just that it comes from DuckDuckGo. Proton is hosting models on their own servers.
I need AI...to fucking die already.
Sigh, feels bad that my subscription is paying for this kind of crap.
Many people wants to use AI and this is a private alternative and so feels like appropriate part of the Proton's ecosystem.
"Private" as in only you and Proton can access the messages' unencrypted contents?
This is a far cry from any other of their products where they can't access the user's data.
"Your chats with Lumo are stored with zero-access encryption, so Proton can't see your chat history. Only you can securely access your conversations by logging in to your Proton Account."
Keywords being "stored" and "history".
The LLM doesn't operate with encryption, so it is served and extrudes unencrypted data.
Proton operates the LLM, meaning Proton has access to your unencrypted data.
Comparatively, Proton Drive doesn't leak your files' contents at any point, even to Proton.
The data are not logged, not used to improve the AI, as stated. https://proton.me/support/lumo
Stated can be a long way away from reality. That website statement can be changed at a whim and doesn't have any legal binding.
If you wanna rely on encryption to protect your privacy, you have to be encrypted/protected from the service provider too, that's what E2EE is all about, and what many of Proton's services provide, but Lumo not.
Where are you finding Lumo is not E2EE?
From their own response (and due to logical thinking about how the LLM service works): https://fosstodon.org/@notesnook/114927444378333659
Strictly speaking, if you consider Lumo's GPU servers to be one of the "ends", then yeah, it is E2EE (you and the server being the ends).
But Proton own the GPU servers, and therefore have access to their private keys, so they can decrypt your messages as they arrive, before they're deleted, which happens after they're encrypted with your asymetric key (so only you can read it) and stored with zero-access.
I don't consider this safe. In a system where you are only interfacing with a computer (and not other users), E2EE should mean that only you have access to the unencrypted data, at any given time. Which is how Proton Drive works.
You forgot the most important part: it comes with a cute cat assistant.
Kind of a bummer it's not included in Proton family. It's handy though!
I honestly wasn't expecting Lumo to fail on the first prompt. Not even a complaint, just outright refusal to respond...
Same. It literally told me to go use a search engine to answer my question. Okay, thanks for nothing Lumo!
Lumo, the AI whore??? (sorry, vision failing somewhat here)