Ghost Robotics Spirit 40
Compact defense quadruped for reconnaissance. Released 2020.
Official page on ghostrobotics.io47
Robo2u Score
40 cm
Height
3 kg
Payload
12
Degrees of freedom
Robo2u Score (0 to 100) = 35% maturity + 30% capability (DoF and payload, percentile vs the field) + 15% recency + 10% runtime + 10% availability. A spec the maker doesn't publish scores below the median. Computed from the columns shown. Scored against other quadruped robots.
Specifications
| Maker | Ghost Robotics · company profile, $400M valuation |
|---|---|
| Form factor | Quadruped |
| Origin |  United States |
| Status | Production |
| Released | 2020 |
| Height | 40 cm |
| Weight | 12 kg |
| Payload | 3 kg |
| Degrees of freedom | 12 |
| Top speed | 2 m/s (7.2 km/h) |
| AI / compute | Onboard |
Not yet published by the maker or not yet verified: runtime, price.
Sources
Added to the database 2026-07-02. Dataset updated 2026-09-24. Also available as JSON at /api/robots.
