What it changes for you
Qwen is the model layer behind a large share of AI answers in Chinese-language and Asia-Pacific markets, so if that is where your buyers are, your visibility there depends on what Qwen has retrieved and retained about you. The long context means it can hold a lot of your site at once, which rewards depth and consistency over thin pages. Check how you are described in Qwen answers separately from how you are described in ChatGPT or Gemini, the sources and the wording diverge.
Where buyers meet this model
Buyers meet Qwen models through the Qwen chat app and through Alibaba Cloud's API, which is the default route for teams building in China and across South East Asia. Qwen also shows up inside third-party tools and assistants that route to it for cost reasons, often without naming it in the interface. If your buyers are in those markets, answers they read may well have been written by this model.