Apertus by Swiss AI Initiative is 70B and 8B parameter language model designed to push the boundaries of fully-open multilingual and transparent models. The model supports over 1000 languages and long context, it uses only fully compliant and open training data, and achieves comparable performance to models trained behind closed doors.
Huggingface page: swiss-ai/Apertus-70B-2509 · Hugging Face
You can run this locally on macOS with this one-liner:
pip install mlx-lm
mlx_lm.generate --model mlx-community/Apertus-8B-Instruct-2509-8bit --prompt "who are you?"
via Apertus 70B: Truly Open - Swiss LLM by ETH, EPFL and CSCS | Hacker News