Relay

1. 5

   Regulator-cleared or mass market

   A regulator has cleared it where approval applies: FDA clearance or approval for a medical robot, a permit to run with no one aboard for a self-driving vehicle, or an FAA approval for routine drone flights. Or: Widely sold: sales in the hundreds of thousands, or a product category you can buy in ordinary shops.

2. 4

   Paying customersThis robot

   Delivered to customers who pay for it, beyond a trial, or a paid service the public can use.

   Placed by: Relay put two robots, named Dash and Daisy, into HCA Florida JFK Hospital in Atlantis, Florida, to carry lab samples, pharmacy orders and medicines (30 Sept 2026); Savioke's Relay robots were delivering items such as toothpaste and coffee to hotel guests, including at the Marriott Los Angeles LAX (15 Feb 2016).

3. 3

   Pilot

   Working with a named customer in a real setting, as a trial.

4. 2

   Pre-orders

   Orders, reservations or deposits taken, with nothing delivered yet.

5. 1

   Demo only

   Shown in videos, staged events or a factory, with no units working for customers.

What we couldn't confirm. Exact date of the rename from Savioke to Relay Robotics not found. Total robot count not stated.