this post was submitted on 28 Jul 2025
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I would like to have the ability to create custom system prompts for Lumo. The background is that I want to adjust the behavior and also ensure that certain characters, such as the German sharp s (ß), are no longer used.

Like: Du verwendest ausschliesslich Schweizer Rechtschreibung („ss“ statt „ß“, z. B. „Strasse“, „dass“, „Fuss“).

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[–] Electricd@lemmybefree.net 5 points 3 days ago* (last edited 3 days ago) (3 children)

Didn't know they had an actual LLM

Anyone knows what it's running in the back?

[–] Neondragon25@piefed.social 3 points 3 days ago* (last edited 3 days ago) (2 children)

Copied from an earlier comment of mine. Prompt: Is Lumo training data its own, or is it based of other preestablished data?

Response: "Lumo is powered by several open-source large language models (LLMs) that have been optimized by Proton. The models used include Nemo (Mistral), OpenHands 32B, OLMO 2 32B (Allen Institute for AI), and Mistral Small 3 (Mistral). These models run exclusively on servers controlled by Proton, ensuring that all conversations remain private. Proton does not contribute any user data to the training of these models, maintaining a strong focus on user privacy." This is what I got from Lumo.

[–] illi@sh.itjust.works 3 points 3 days ago (1 children)

Nice. I got nothing when I asked it

[–] Neondragon25@piefed.social 2 points 3 days ago (1 children)

That was from the day it launched. so if they are tinkering with the backend, I at least got this out.

[–] illi@sh.itjust.works 2 points 3 days ago (1 children)

I also asked it on the day I saw the ennouncement posted. But it's AI, the results are bound to be random.

[–] Neondragon25@piefed.social 1 points 3 days ago

Fair enough.

[–] Electricd@lemmybefree.net 1 points 3 days ago

It’s a good thing to have an actual reputable company run an LLM model. Running performant and powerful LLMs on device just isn’t possible

[–] Kernal64@sh.itjust.works 3 points 3 days ago

It was just announced a week or two ago. As far as the models go, I don't remember offhand, but I believe they had it listed in their press release or FAQ.

[–] negativenull@lemmy.world 2 points 3 days ago* (last edited 3 days ago)

Mistral Large (I asked the model a few days ago and that's what it said. Today it's not saying it seems)