Differences:

2.5 days of classroom. Closed book SV of 50 questions.

One practice MT then MV.

OE is minimum of 8 legs...more if you need it

If you are upgrading and need differences you do the above then:

Leadership: 2 days

1 MT, then MV then 2 LOS then LOE.

OE: Minimum 25 hours with a Fed ride sometime after 10 hours and a line check by your LCA on the final two legs.