Add apertus 1.5 70b model

Apertus AI released Apertus 1.5, a 70-billion-parameter open-weight and open-training-data model trained on a hydro-powered Swiss supercomputer, positioning it as an ethical alternative to frontier models that ignore robots.txt and other nonconsensual data practices. The model is available as an option in the model dropdown list.

Apertus 1.5 is an open weight/open training data model trained on the hydro-powered Swiss super computer. This would provide a more ethical or, if you like, less unethical alternative to the frontier models which do not respect robots.txt and other nonconsensual practices. https://www.apertus-ai.org/articles/2026-07-apertus-1-5/ https://www.apertus-ai.org/articles/2026-07-apertus-1-5/ Apertus 1.5 70b would be an option in the drop down list of models.