Isaac vs RB-Y1
Humanoid robot spec comparison — Weave Robotics vs Rainbow Robotics.
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.
Rainbow Robotics
RB-Y1
63 / 100 Robo2u Score
Wheeled dual-arm humanoid manipulator for AI research labs
| Spec | Isaac | RB-Y1 |
|---|---|---|
| Released | 2026 | 2024-05 |
| Status | Pre-order | Production |
| Height | 170 cm | 140 cm |
| Payload | — | 6 kg |
| Degrees of freedom | 16 | 24 |
| Runtime | 480 min | 180 min |
| Top speed | — | 1.5 m/s |
| Price | $8.0k | $80k |
| Robo2u Score | 59 | 63 |
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.
