Nothing definite, but roughly, yes! So far the sky splitting only happened b/w top-tiers, so we have no reason to think otherwise unless the future developments make it clear that Luffy's still way below Kaido's league.
Luffy beats Imu
"Not yet, luffy is yet to be top tier "
Bruh Luffy has been top tier since he got ryuo
Whether you like it or not , he was low top then
Now he's solid top tier around Admirals