Optimus Gen 3 vs T800
Humanoid robot spec comparison — Tesla vs EngineAI Robotics.
EngineAI Robotics
T800
67 / 100 Robo2u Score
Full-size combat-capable humanoid with 450 N·m joints and a modular solid-state battery, launched at CES 2026
| Spec | Optimus Gen 3 | T800 |
|---|---|---|
| Released | — | 2026-01 |
| Status | Prototype | Production |
| Height | 173 cm | 173 cm |
| Payload | 20 kg | 5 kg |
| Degrees of freedom | — | 29 |
| Runtime | — | 180 min |
| Top speed | 3.8 m/s | 2 m/s |
| Price | — | $25k |
| Robo2u Score | 69 | 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.
