As2 vs M1
Quadruped robot spec comparison — Unitree vs GENISOM AI (ZsiBot).
Unitree
As2
77 / 100 Robo2u Score
Compact 18 kg IP54 quadruped carrying 15 kg on the move with over four hours of unloaded runtime
GENISOM AI (ZsiBot)
M1
84 / 100 Robo2u Score
Lightweight high-payload IP67 quadruped, 1:1 load-to-weight ratio
| Spec | As2 | M1 |
|---|---|---|
| Released | 2026-02 | 2026-06 |
| Status | Production | Production |
| Payload | 15 kg | 30 kg |
| Weight | 18 kg | 30 kg |
| Degrees of freedom | 12 | 16 |
| Runtime | 240 min | 120 min |
| Top speed | 5 m/s | 8 m/s |
| Price | $3.1k | $15k |
| Robo2u Score | 77 | 84 |
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.
