Apertus 1.5 Integrated into Proton’s Lumo AI Assistant
Researchers from EPFL, ETH Zurich, and the Swiss National Supercomputing Centre have partnered with Proton to make Apertus 1.5 available in Proton’s Lumo AI assistant. This integration allows Lumo users to choose Apertus as their language model and voluntarily share anonymised feedback, giving the Apertus team real‑world usage data for the first time. The partnership supports the development of open, sovereign AI in Switzerland and Europe.
Researchers from EPFL, ETH Zurich, and the Swiss National Supercomputing Centre have partnered with Proton to make Apertus 1.5 available in Proton’s Lumo AI assistant. This integration allows Lumo users to choose Apertus as their language model and voluntarily share anonymised feedback, giving the Apertus team real‑world usage data for the first time. The partnership supports the development of open, sovereign AI in Switzerland and Europe.
It provides Swiss researchers with large‑scale, consented user feedback, accelerating the improvement of a fully open, Swiss‑developed language model and strengthening Switzerland’s AI sovereignty.
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