H2 vs K3 Bumblebee
Humanoid robot spec comparison — Unitree vs Kepler Robotics.
Unitree
H2
69 / 100 Robo2u Score
Base 180 cm full-size humanoid with 31 DOF and 360 N·m joints, sold below the Thor-equipped H2 Plus
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
| Spec | H2 | K3 Bumblebee |
|---|---|---|
| Released | 2025-10 | 2026-07 |
| Status | Production | Pilot |
| Height | 180 cm | — |
| Payload | — | 30 kg |
| Degrees of freedom | 31 | — |
| Runtime | — | 480 min |
| Top speed | — | — |
| Price | $29.9k | — |
| Robo2u Score | 69 | 79 |
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.
