Depends on how you define meaning. I find meaning in experiencing the life. It may be predetermined or have random elements in it but the experience is unique to me.
Anyway, given all we know about us and the universe I haven’t heard a coherent proposal of how free will could work. So, until there’s good evidence to convince me otherwise … I can’t help but believe it doesn’t exist.
Nope, they can use your NPU, GPU or CPU whatever you have… the performance will vary quite a bit though. Also, the larger the model the more memory it needs to run well.