Apertus 1.5 extends our fully open models with image understanding, a thinking mode, and a four times longer context window. Visit our documentation site for details, and use the @swiss-ai organization on Hugging Face for downloading the official weights.

Inference Providers

Production-ready hosting from Swiss and international providers. Our Quickstart has technical information on downloading Apertus models to your own computer. Visit our Community Showcase for a list of example applications, and please contact us to get featured here: