M-Bot vs SA01
Humanoid robot spec comparison — K-Scale Labs vs EngineAI Robotics.
EngineAI Robotics
SA01
48 / 100 Robo2u Score
Affordable open bipedal platform for education and research
| Spec | M-Bot | SA01 |
|---|---|---|
| Released | 2025 | 2024-07 |
| Status | Prototype | Production |
| Height | 70 cm | 138 cm |
| Payload | — | 15 kg |
| Degrees of freedom | — | 12 |
| Runtime | — | 120 min |
| Top speed | — | 1 m/s |
| Price | $3k | $5.4k |
| Robo2u Score | 47 | 48 |
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.
