K3 Bumblebee vs Kuavo
Humanoid robot spec comparison — Kepler Robotics vs Leju Robotics.
Kepler Robotics
K3 Bumblebee
79 / 100 Robo2u Score
Successor to the Forerunner K2 with an added waist joint, 30 kg dual-arm lifting and eight-hour shifts
Leju Robotics
Kuavo
80 / 100 Robo2u Score
Modular omnidirectional humanoid from Leju Robotics for industrial and research use
| Spec | K3 Bumblebee | Kuavo |
|---|---|---|
| Released | 2026-07 | 2025 |
| Status | Pilot | Production |
| Height | — | 166 cm |
| Payload | 30 kg | 20 kg |
| Degrees of freedom | — | 40 |
| Runtime | 480 min | 480 min |
| Top speed | — | 1.28 m/s |
| Price | — | $50k |
| Robo2u Score | 79 | 80 |
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.
