As2 vs Quaddle
Quadruped robot spec comparison: Unitree vs Petoi.
Unitree
As2
76 / 100 Robo2u Score
Compact 18 kg IP54 quadruped carrying 15 kg on the move with over four hours of unloaded runtime
Petoi
Quaddle
50 / 100 Robo2u Score
Palm-sized 4-servo open-source robot dog kit, Kickstarter funded, shipping December 2026; Builder price shown
| Spec | As2 | Quaddle |
|---|---|---|
| Released | 2026-02 | 2026-09 |
| Status | Production | Pre-order |
| Payload | 15 kg | n/a |
| Weight | 18 kg | 0.17 kg |
| Degrees of freedom | 12 | 4 |
| Runtime | 240 min | n/a |
| Top speed | 5 m/s | n/a |
| Price | $3.1k | $179 |
| Robo2u Score | 76 | 50 |
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.
