D1 Ultra vs Spirit 40
Quadruped robot spec comparison — AgiBot vs Ghost Robotics.
AgiBot
D1 Ultra
58 / 100 Robo2u Score
IP54 industrial compact quadruped for patrol, inspection and rescue with open SDK and payload mounts
| Spec | D1 Ultra | Spirit 40 |
|---|---|---|
| Released | 2025-08 | 2020 |
| Status | Production | Production |
| Payload | 5 kg | 3 kg |
| Weight | — | 12 kg |
| Degrees of freedom | — | 12 |
| Runtime | — | — |
| Top speed | 3.7 m/s | 2 m/s |
| Price | — | — |
| Robo2u Score | 58 | 47 |
Highlighted = better on that spec (lower is better for price and weight; newer for release). The Robo2u Score is a transparent composite — see the Quadruped Robots for the full field.