Calvin-40 vs GR-3
Humanoid robot spec comparison — Wandercraft vs Fourier Intelligence.
Wandercraft
Calvin-40
67 / 100 Robo2u Score
Headless industrial humanoid leveraging exoskeleton balance technology
Fourier Intelligence
GR-3
67 / 100 Robo2u Score
Care-focused companion humanoid from Fourier Intelligence with cushioned surfaces
| Spec | Calvin-40 | GR-3 |
|---|---|---|
| Released | 2025 | 2025-08 |
| Status | Pre-order | Production |
| Height | — | 165 cm |
| Payload | 40 kg | 3 kg |
| Degrees of freedom | — | 55 |
| Runtime | — | 180 min |
| Top speed | — | — |
| Price | — | — |
| Robo2u Score | 67 | 67 |
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.