A machine learning model whose weights, architecture, and training data are owned by a specific entity and distributed under restrictive licensing terms, as opposed to open-source or open-weight models.
Overview
- Alibaba released Qwen 3.6, a proprietary model that ranked number one on Open Router and became the first model to serve a trillion tokens on release day, as part of a strategic shift from open-source to proprietary models to maximize revenue. (Source: Host (AI Daily Brief), via AI Daily Brief, 2026-08-24)