M1 vs RIVR TWO
Quadruped robot spec comparison — GENISOM AI (ZsiBot) vs RIVR.
GENISOM AI (ZsiBot)
M1
84 / 100 Robo2u Score
Lightweight high-payload IP67 quadruped, 1:1 load-to-weight ratio
RIVR
RIVR TWO
80 / 100 Robo2u Score
Second-gen wheeled-legged quadruped for autonomous last-mile delivery right to the doorstep
| Spec | M1 | RIVR TWO |
|---|---|---|
| Released | 2026-06 | 2026-03 |
| Status | Production | Deployed |
| Payload | 30 kg | 27 kg |
| Weight | 30 kg | — |
| Degrees of freedom | 16 | — |
| Runtime | 120 min | — |
| Top speed | 8 m/s | 3.89 m/s |
| Price | $15k | — |
| Robo2u Score | 84 | 80 |
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.
