Gai > Kakshi?

[Flame Alchemist]

But i cant help with the fact that Kakashi gets tired TO QUICKLY!!!

you are forgetting that guy can only use the gates for a short time too.
without the gates kakashi can easily win against guy, and if guy were to open the gates kakashi can hold his own for that period of time

 

[~Mara~]

But i cant help with the fact that Kakashi gets tired TO QUICKLY!!!

only when he use so much sharingan

 

[Pr0bl3m]

I agree with all of the above statements