What is the fee on OKX vs Binance?

Can you please explain to me the difference in fees between OKX and Binance? As a cryptocurrency trader, it's essential for me to understand the costs associated with each platform so I can make an informed decision on where to trade. I've heard that both platforms offer competitive rates, but I'm curious about the specifics of their fee structures and any potential differences. Additionally, do they offer any fee discounts or promotions for high-volume traders or users who meet certain criteria? Thank you for your assistance in clarifying this matter.