Online demo that runs in the browser: https://segment-anything.com/demo

Initial impression: it seems to be pretty good at identifying objects but when you look at the cutouts without the glowing outline you'll quickly realize the edge is rather rough and thinner parts sometimes get omitted completely. This might be though because those borders they draw are too thick and omitted from the resulting cutout.

Example: https://i.imgur.com/S57c5Cj.png

In the kids drawing both extracted person had no arms.