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Apertus-70B-2509

Apertus is a 70B and 8B parameter language model designed to push the boundaries of fully-open multilingual and transparent models.

text → text · made by swiss-ai

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About

Apertus-70B-2509 — a text model from swiss-ai.

It takes text and returns text. It was published in September 2025. The catalogue files it under chat. Its weights are published under APACHE-2.0, so you may run it on your own machine, or buy it from whoever serves it cheapest.

Every current figure

Maker
swiss-ai
Register
model
Takes
text
Returns
text
Published
September 2025
Parameters
70 billion · read from its own name
Licence
apache-2.0

Known as 1 name

swiss-ai/Apertus-70B-2509