Copilot is a million times better then Tabnine. Tabnine was promising, but totally stopped making any improvements to the model after it got bought out years ago.
Is Tabnine still going (and is it any good?) I used to use Kite back in the day.
The free version is average at best. It only really autocompletes a line (if you're lucky). It usually autocompletes a few characters in an expression