U1 vs Z-Bot
Humanoid robot spec comparison — UBTech Robotics vs K-Scale Labs.
| Spec | U1 | Z-Bot |
|---|---|---|
| Released | 2026-06 | 2025 |
| Status | Pre-order | Pre-order |
| Height | — | 46 cm |
| Payload | — | — |
| Degrees of freedom | 88 | 18 |
| Runtime | — | — |
| Top speed | — | — |
| Price | $17.6k | $999 |
| Robo2u Score | 59 | 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.
