Pepper vs Booster K1
Compare Pepper (SoftBank Robotics) and Booster K1 (Booster Robotics) side by side: degrees of freedom, weight, payload, battery life, actuators, and status.
| Spec | Pepper | Booster K1 |
|---|---|---|
| Manufacturer | SoftBank Robotics | Booster Robotics |
| Category | Humanoid | Humanoid |
| Country | Japan | China |
| Degrees of freedom | 17 | 22 |
| Weight (kg) | 28 | 19.5 |
| Battery life (h) | 12 | 0.33 |
| Payload | N/A (no arms lifting) | |
| Max speed | 1.0 m/s | 2 m/s |
| Actuators | Brushless DC Servo Motors | |
| Primary sensor | Stereo cameras + 3D Depth Sensor + 4x Microphones | |
| Function | Social interaction | Education |
| Released | 2014 | 2025 |
| Status | Active | Active |
Verdict
Neither platform leads on the weighted specifications; the choice comes down to which dimensions matter for the job.
Pepper leads on battery life (12 h vs 0.33 h).
Booster K1 leads on degrees of freedom (22 vs 17) and max speed (2 m/s vs 1.0 m/s).
Left out because at least one manufacturer does not publish a figure: price and payload.
Pepper
A social humanoid designed for human interaction in retail, hospitality, and healthcare settings. Pepper detects faces, recognizes emotions, and engages in natural conversation with multi-language speech synthesis.
Booster K1
Booster Robotics' small humanoid for education and professional developers: about 95 cm and 19.5 kg with 22 degrees of freedom. Booster lists 20 minutes of walking per charge on the 2 Ah battery and 1 h 10 min on the 5 Ah battery of the Education and Professional editions.