HUBO-2 Plus vs AGIBOT A3 Ultra
Compare HUBO-2 Plus (Rainbow Robotics) and AGIBOT A3 Ultra (AGIBOT (Zhiyuan Robotics)) side by side: degrees of freedom, weight, payload, battery life, actuators, and status.
| Spec | HUBO-2 Plus | AGIBOT A3 Ultra |
|---|---|---|
| Manufacturer | Rainbow Robotics | AGIBOT (Zhiyuan Robotics) |
| Category | Humanoid | Humanoid |
| Country | South Korea | China |
| Degrees of freedom | 41 | 51 |
| Weight (kg) | 60 | 60 |
| Battery life (h) | 2 | 8 |
| Payload | 10 kg | 5 kg per arm |
| Max speed | 1.2 m/s | 1.8 m/s |
| Actuators | Cable-Driven Joint Actuators | |
| Primary sensor | Stereo Camera + IMU + Force Sensors | 3D LiDAR + RGB-D cameras + fisheye cameras + binocular vision + GPS/RTK/UWB |
| Function | Research & development | Commercial and service humanoid for sustained real-world tasks |
| Released | 2011 | 2026 |
| Status | Active | Active |
Verdict
AGIBOT A3 Ultra leads on 3 of the 4 weighted dimensions both makers disclose.
HUBO-2 Plus leads on payload (10 kg vs 5 kg per arm).
AGIBOT A3 Ultra leads on degrees of freedom (51 vs 41), max speed (1.8 m/s vs 1.2 m/s) and battery life (8 h vs 2 h).
Left out because at least one manufacturer does not publish a figure: price.
HUBO-2 Plus
Commercialized KAIST HUBO platform with Samsung's 35% stake. DARPA Robotics Challenge winner lineage. Used by research labs worldwide including MIT and Google.
AGIBOT A3 Ultra
Full-size humanoid robot developed for long-duration operation in public-facing, commercial, and service environments. Standing 1.74 m tall and weighing 60 kg with 51 active degrees of freedom.