Fully open 8B multilingual LLM supporting 1800+ languages with 65K context. Trained on compliant open data. Apache 2.0, EU AI Act compliant.
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swiss-ai/apertus-8bWeights: Hugging Face ↗
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Fully open 8B multilingual LLM supporting 1800+ languages with 65K context. Trained on compliant open data. Apache 2.0, EU AI Act compliant. It is published by Swiss Ai and catalogued here from Models.dev.
Apertus 8B accepts up to 65.536K tokens of context and returns up to 8.192K output tokens.
Yes. The weights are published and downloadable from Hugging Face under the Apache-2.0 license.
The catalog records a release date of 2025-09-02, last verified Aug 17, 2026.