I just tried having it teach me how to use Blender. It seems like it could actually be super helpful for beginners, as it has decent knowledge of the toolbars and keyboard shortcuts and can give you advice based on what it sees you doing on your screen. It also watched me play Indiana Jones and the Great Circle, and it successfully identified some of the characters and told me some information about them.
You can enable "Grounding" in the sidebar to let it use Google Search even in voice mode. The video streaming and integrated search make it far more useful than ChatGPT Advanced Voice mode is currently.