M1 vs Spirit 40
Quadruped robot spec comparison — GENISOM AI (ZsiBot) vs Ghost Robotics.
GENISOM AI (ZsiBot)
M1
78 / 100 Robo2u Score
Lightweight high-payload IP67 quadruped, 1:1 load-to-weight ratio
| Spec | M1 | Spirit 40 |
|---|---|---|
| Released | 2026-06 | 2020 |
| Status | Production | Production |
| Payload | 30 kg | 3 kg |
| Weight | 30 kg | 12 kg |
| Degrees of freedom | 16 | 12 |
| Runtime | 120 min | — |
| Top speed | 8 m/s | 2 m/s |
| Price | $15k | — |
| Robo2u Score | 78 | 55 |
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.
