Cruzr S2 vs Isaac
Humanoid robot spec comparison — UBTECH vs Weave Robotics.
UBTECH
Cruzr S2
69 / 100 Robo2u Score
Full-size wheeled service humanoid with a ±170° bending torso and 15kg payload handling
Weave Robotics
Isaac
59 / 100 Robo2u Score
Home humanoid with soft swappable fabric shells; $7,999 upfront or $449/mo, ships fall 2026 from California.
| Spec | Cruzr S2 | Isaac |
|---|---|---|
| Released | 2025 | 2026 |
| Status | Production | Pre-order |
| Height | 176 cm | 170 cm |
| Payload | 15 kg | — |
| Degrees of freedom | 44 | 16 |
| Runtime | — | 480 min |
| Top speed | 2 m/s | — |
| Price | — | $8.0k |
| Robo2u Score | 69 | 59 |
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.
