Forerunner K2 vs OP3
Humanoid robot spec comparison — Kepler Robotics vs ROBOTIS.
Kepler Robotics
Forerunner K2
83 / 100 Robo2u Score
Industrial general-purpose humanoid from Kepler Robotics with strong dexterous manipulation
ROBOTIS
OP3
44 / 100 Robo2u Score
Miniature 20-DoF open-source ROS humanoid from ROBOTIS (successor to DARWIN-OP)
| Spec | Forerunner K2 | OP3 |
|---|---|---|
| Released | 2024-10 | 2017 |
| Status | Production | Production |
| Height | 178 cm | 51 cm |
| Payload | 30 kg | — |
| Degrees of freedom | 52 | 20 |
| Runtime | 480 min | 30 min |
| Top speed | 1.1 m/s | 0.24 m/s |
| Price | $30k | $13.8k |
| Robo2u Score | 83 | 44 |
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.
