SMRTR AIOct 5, 2025lobste.rs

Apertus: a fully open, transparent, multilingual language model

SMRTR summary

EPFL, ETH Zurich, and CSCS have released Apertus, a fully open-source language model where all components including architecture, training data, and model weights are completely accessible and documented. Trained on 15 trillion tokens across over 1,000 languages with 40% non-English content, Apertus comes in 8 billion and 70 billion parameter versions and prioritizes transparency, multilingualism, and compliance with data protection laws.

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