stepfun opened step 5 preview weights on oct 15, a 600b-total, 27b-active moe with up to 1m context. the license counts a model trained to a material extent on its outputs as a derivative, and device makers plus maas operators over $20m in 12 months need a commercial license.
stepfun-ai/Step-5-Preview · Hugging Face
huggingface.co