PARO vs Microduck
Compare PARO (AIST / PARO Robots) and Microduck (Pollen Robotics (Hugging Face)) side by side: degrees of freedom, weight, payload, battery life, actuators, and status.
| Spec | PARO | Microduck |
|---|---|---|
| Manufacturer | AIST / PARO Robots | Pollen Robotics (Hugging Face) |
| Category | Specialty | Specialty |
| Country | Japan | France |
| Degrees of freedom | 0 | 15 |
| Weight (kg) | 2.5 | 0.78 |
| Battery life (h) | 6 | 1 |
| Payload | N/A (therapeutic) | |
| Max speed | N/A (stationary) | |
| Actuators | None (therapeutic robot) | |
| Primary sensor | Tactile Sensors + Microphones + Posture | Camera + 8x8 ToF LiDAR + 2 IMUs |
| Function | Companionship | Educational biped for RL policy training and interactive play |
| Released | 2004 | 2026 |
| Status | Active | Active |
Verdict
Microduck leads on 2 of the 3 weighted dimensions both makers disclose.
PARO leads on battery life (6 h vs 1 h).
Microduck leads on price ($399 vs ~$6,000) and degrees of freedom (15 vs 0).
Left out because at least one manufacturer does not publish a figure: payload and max speed.
PARO
Therapeutic baby-seal robot FDA-classified as a medical device in the US. Used in dementia care facilities worldwide for emotional engagement and calming therapy.
Microduck
A 25 cm tall open-source biped robot from Pollen Robotics (Hugging Face) designed for reinforcement learning and play. It ships with 7 pre-trained behaviors including walking, sitting/standing, kicking, grasping with its beak, and self-righting, all deployable from simulation.