Can anyone comment on Github Codespace vs CoCalc? I'm using CoCalc for the first time this year to teach my classes, and it's not clear what advantages this wo

Can anyone comment on Github Codespace vs CoCalc? I'm using CoCalc for the first time this year to teach my classes, and it's not clear what advantages this would have, since CoCalc gives you complete control over a full Linux environment and has collaboration set up out of the box.