G1 vs Z-Bot
Humanoid robot spec comparison — Unitree vs K-Scale Labs.
| Spec | G1 | Z-Bot |
|---|---|---|
| Released | 2024-05 | 2025 |
| Status | Production | Pre-order |
| Height | 127 cm | 46 cm |
| Payload | 2 kg | — |
| Degrees of freedom | 23 | 18 |
| Runtime | 120 min | — |
| Top speed | 2 m/s | — |
| Price | $16k | $999 |
| Robo2u Score | 47 | 48 |
Highlighted = better on that spec (lower is better for price and weight; newer for release). The Robo2u Score is a transparent composite — see the Humanoid Showdown for the full field.
