AI BriefingApertus – Open Foundation Model for Sovereign AI
·2026.06.22 06:29
Key point
A Swiss AI initiative has released Apertus, an open foundation model with both data and weights publicly released.
Details
Developed through collaboration between EPFL, ETH Zurich, and CSCS, Apertus is a Fully Open foundation model that publicly releases all of its data, code, weights, methodology, and alignment principles.
Key features are as follows:
- Full openness: All components of the model are documented and reproducible.
- Regulatory compliance: Designed to meet EU AI Act requirements, with PII removal and memorization prevention features.
- Performance and multilingual support: Delivers competitive performance compared to open models of the same class at 8B and 70B parameter scales, and supports over 1,000 languages.
Swisscom is participating as a strategic partner in this project.
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