GR-2 vs Iron 2
Humanoid robot spec comparison — Fourier Intelligence vs XPENG.
| Spec | GR-2 | Iron 2 |
|---|---|---|
| Released | 2024-09 | 2025-11 |
| Status | Production | Prototype |
| Height | 175 cm | 178 cm |
| Payload | 3 kg | — |
| Degrees of freedom | 53 | 82 |
| Runtime | 120 min | — |
| Top speed | 1.39 m/s | 2 m/s |
| Price | — | — |
| Robo2u Score | 61 | 61 |
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.
