Isaac vs Z-Bot
Humanoid robot spec comparison — Weave Robotics vs K-Scale Labs.
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 | Isaac | Z-Bot |
|---|---|---|
| Released | 2026 | 2025 |
| Status | Pre-order | Pre-order |
| Height | 170 cm | 46 cm |
| Payload | — | — |
| Degrees of freedom | 16 | 18 |
| Runtime | 480 min | — |
| Top speed | — | — |
| Price | $8.0k | $999 |
| Robo2u Score | 59 | 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 Humanoid Showdown for the full field.
