Iron 2 vs Optimus Gen 3
Humanoid robot spec comparison — XPENG vs Tesla.
| Spec | Iron 2 | Optimus Gen 3 |
|---|---|---|
| Released | 2025-11 | — |
| Status | Prototype | Prototype |
| Height | 178 cm | 173 cm |
| Payload | — | 20 kg |
| Degrees of freedom | 82 | — |
| Runtime | — | — |
| Top speed | 2 m/s | 3.8 m/s |
| Price | — | — |
| Robo2u Score | 61 | 69 |
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.
