Model not shown and "open model toggle" not working

AI tab completions are working, but I cannot figure out which model cursor is using, and the “Cursor: Open model toggle” action seems broken (it just does nothing).

I’ve read that the model should be displayed at the bottom right of the window, but I don’t see it anywhere, and I can’t figure out how to change the model.

Here is what my cursor window looks like:

I’m on Linux x64, Ubuntu 22.04