Here are the leasing options for Servi service robots from Airpuria: 12-Month Lease: $850 per month. 24-Month Lease: $800 per month. 36-Month Lease: $750 per month. Once you get the model you want (Servi or Servi mini - each a version of the best robot waiter), the team from Bear robotics will come and assemble it in your restaurant.