> No idea how to check if this is actually deployed on qwen.com right now.

Assuming you mean qwen.ai, when you run a query it should take you to chat.qwen.ai with the list of models in the top left. None of the options appear to be the -Omni variant (at least when anonymously accessing it).

Thanks - yes - I did. The blog post suggests clicking the 'voice' icon on the bottom right - that's what I did.