Fully Open
Training data, code, weights, methods, and alignment principles — all documented and reproducible. Apertus is to AI as Open is to Source.
Compliant at Scale
Built to meet EU AI Act requirements: the model respects opt-outs, removes PII, prevents memorization. A global foundation to build on.
Run for Performance
Competitive with top open models at an equivalent scale of 8B and 70B parameters. Multilingual from day one — trained on 1000+ languages.
Swisscom is a Strategic Partner of the Swiss AI Initiative.
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