Moxi
While the operating room takes the glory, Moxi delivers the meds.
Why this verdict · Updated July 2026
We rate it REAL. The evidence is operational and at scale: more than 1.25 million deliveries through corridors full of gurneys, visitors and emergencies, the least scriptable environment there is. Moxi navigates alone, calls and rides elevators unaided (100,000 times and counting) and manipulates what it delivers with its arm, all orchestrated as a fleet; Diligent presents it as the world’s largest deployed fleet of mobile manipulation robots, and the delivery figure is corroborated by the trade press. The honest caution: its repertoire is a courier’s, not a caregiver’s; it touches no patients and decides nothing clinical, and that is precisely its merit.
What it does well
- Autonomy proven where it is hardest: hospital corridors on real schedules
- 1.25 million deliveries and 100,000 elevator rides with no human in the loop
- Frees nursing hours for clinical work
- Locking drawers for medication and samples with traceability
What it doesn’t
- Errands only: it performs no clinical task and touches no patients
- Requires integration with the hospital’s elevators, doors and pharmacy
- No public price: contracted as a service
- Its arm handles prepared items, not just anything
Specifications
| Maker | Diligent Robotics (Austin, 2017) |
|---|---|
| Deployment | 25+ US hospitals |
| Accumulated work | 1.25M+ deliveries · 300,000 pharmacy |
| Elevators | 100,000+ autonomous rides |
| Current generation | Moxi 2.0 (2025, Nvidia compute) |
| Business model | Service (RaaS) to hospitals |
The exam no warehouse can set
A hospital is the worst possible stage for an autonomous robot, which is why it is the best exam. Unlike a warehouse, it cannot be reorganized around the machine: corridors fill with gurneys and families, elevators are shared with patients, and the package is not a bolt but a dose with traceability. Moxi has been passing that exam at scale for years: more than 1.25 million deliveries, 300,000 of them pharmacy runs, moving among people who never signed any robot-coexistence protocol.
Technically it is the same leap we tell in warehouse robotics (guide-free autonomous navigation among people), plus one skill warehouse AMRs don’t need: manipulation. Moxi calls the elevator, presses the button, rides alone, and uses its arm to deliver into locking drawers. Each of those small skills, repeated a hundred thousand times, is the difference between a demo and an employee.
Heart eyes by design: the professor who knew how to be liked
Nothing about Moxi’s body is accidental. Its creator, Andrea Thomaz, spent two decades studying how robots should behave around people: a PhD at MIT, socially intelligent machines labs at Georgia Tech and then the University of Texas at Austin, until she founded Diligent Robotics in 2017 with roboticist Vivian Chu. Moxi is that research turned product: blinking heart-shaped LED eyes, a head that turns to look where it is about to move before moving, so anyone can anticipate its intention without reading a manual, a curved body with no sharp edges and a cheerful, gender-neutral beeping voice. In a hospital, where nobody was hired to live alongside robots, likability is not cosmetic: it is the interface.
The design worked almost too well. In the 2018 and 2019 Texas pilots, patients stopped Moxi in the corridors for selfies, and one child wrote to the company asking where the robot lived; Diligent ended up programming it a social lap, an extra round of the floor just to say hello. It is the flip side of the da Vinci: if that one wins because it obeys perfectly, Moxi wins because it was designed to be accepted. In hospital robotics, both are design problems.
The robot that buys back nursing time
Moxi’s sales argument is not technological but labor-related: errands (going to pharmacy, carrying samples, fetching supplies) consume a huge share of the nursing shift, amid a chronic healthcare staffing shortage. Diligent sells the robot as a service, the same RaaS model that lowered the entry ticket for warehouse AMRs: the hospital buys no hardware, it contracts deliveries.
The 2.0 generation, unveiled in October 2025 on Nvidia compute and trained on the data from that million-plus deliveries, targets fleets of 15 or more robots per hospital. It is the same progression we saw in logistics: first one boring task done impeccably, then the fleet, then the standard. The details behind every verdict in this category are in the healthcare robotics guide.
Industries
Frequently asked
What exactly does the Moxi robot do?
The hospital’s internal logistics: it picks up and delivers medication, lab samples and supplies between pharmacy, wards and lab, riding elevators on its own. It performs no clinical tasks and touches no patients.
Is Moxi truly autonomous?
Yes, in its domain: it navigates busy corridors, manages elevators (100,000+ rides) and completes deliveries with no operator in the loop. More than 1.25 million accumulated deliveries are operational data, not a demo.
How much does Moxi cost a hospital?
There is no public price: Diligent offers it as a service (RaaS), with robot, integration and support bundled into a fee. The hospital’s math is done against freed nursing hours.
Why does Moxi have heart eyes?
Because its creators are social robotics experts who designed every signal to be understood at a glance: the heart eyes, the head that looks before it turns and the beeps communicate friendliness and intent. In the Texas pilots it worked so well that patients asked it for selfies and the company programmed it a social lap.
Sources
- Diligent Robotics Unveils Moxi 2.0 (1.25M+ deliveries, largest deployed fleet)
- Diligent Robotics completes 300,000 pharmacy deliveries with Moxi
- Moxi 2.0 mobile manipulator is built for AI, says Diligent Robotics
- A hospital introduced a robot to help nurses. They didn’t expect it to be so popular
- Andrea L. Thomaz