Hi, you can find this information here: https://academy.mendix.com/link/certifications
You could check it at https://academy.mendix.com/link/certifications/22/intermediate and press “get certified”. You will see the price.
below is the detail you are looking for.
Unfortunately, the Level-Up campaign has ended, so it is going to cost. As I already obtained this certificate I am not able to look into the pricing page myself. Pim described it, though