K3 Bumblebee vs Reflex
Humanoid robot spec comparison — Kepler Robotics vs Reflex 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
Reflex Robotics
Reflex
78 / 100 Robo2u Score
New York wheeled general-purpose humanoid with dual arms (25+ lb each
| Spec | K3 Bumblebee | Reflex |
|---|---|---|
| Released | 2026-07 | 2024-03 |
| Status | Pilot | Pilot |
| Height | — | 170 cm |
| Payload | 30 kg | 22.7 kg |
| Degrees of freedom | — | — |
| Runtime | 480 min | 960 min |
| Top speed | — | — |
| Price | — | $50k |
| Robo2u Score | 79 | 78 |
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.
