With all five gates open, well very low kage level since I do believe he can overwhelm the likes of high jounin tiered ninjas like Darui, Temari, Kankuro and maybe even low kage tiered ninjas such as Mei.
Weightless Lee is low jounin at best since he does have great speed but I don't see him defeating the likes of Asuma, Kurenai, etc. since he lacks defence against ninjutsu and genjutsu.
Weighted Lee is high chunin level since he can't blitz any jounin level ninjas. At best he can stalemate with Sakura.
I don't care too much about intelligence when we talk about power levels since guys like Naruto, Lee and Choji can overwhelm smarter characters with sheer power alone. Reading the latest chapters proves that overwhelming power>>>>>>>>>>intelligence.