Hi, do i put OpenAI key here to use OpenAI features? I just found this service and trying to understand. And i couldn't find a pricing page https://cdn.discordapp.com/attachments/1211484481848873020/1357554775683633403/Screenshot_2025-04-04_at_06.15.34.png?ex=67f0a0e8&is=67ef4f68&hm=cbfa9cb039a9917d6981b323b1bf74627780a3a003766353a201460b5b3e3145&