GR-3 vs Isaac
Humanoid robot spec comparison — Fourier Intelligence vs Weave Robotics.
Fourier Intelligence
GR-3
68 / 100 Robo2u Score
Care-focused companion humanoid from Fourier Intelligence with cushioned surfaces
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 | GR-3 | Isaac |
|---|---|---|
| Released | 2025-08 | 2026 |
| Status | Production | Pre-order |
| Height | 165 cm | 170 cm |
| Payload | 3 kg | — |
| Degrees of freedom | 55 | 16 |
| Runtime | 180 min | 480 min |
| Top speed | — | — |
| Price | — | $8.0k |
| Robo2u Score | 68 | 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.
