Understanding Mixpanel Charges for Identify Events in Customer IO Migration

Hello all! We're currently migrating to using Customer IO Data Pipelines to pipe events etc. to Mixpanel. We've noticed that setting user properties are mapped to "identify" events on Mixpanel instead of just being handled in the background. My question is this: are these "identify" events considered the same as other customer events and will they be charged as such? Or are they treated separately?