Open Weights LLM Models can be run by anyone. They're just a downloadable data file. So, yes there are companies (in both China and USA) that do host them for

Open Weights LLM Models can be run by anyone. They're just a downloadable data file. So, yes there are companies (in both China and USA) that do host them for you as well. For example I think Perplexity does host DeepSeek R1, so people who don't have their own hardware can still make use of it.