Models as a Service (MaaS). huggingface is the main player here.

bring together most advanced machine learning models from the AI community, and streamlines the process of leveraging AI models in real-world applications

The above definition is from modelscope, a chinese company.

Discovered this while looking at [dot.ocr](https://github.com/rednote-hilab/dots.ocr)'s `tools/download_model.py`