Forerunner K2 vs GR-1
Humanoid robot spec comparison — Kepler Robotics vs Fourier Intelligence.
Kepler Robotics
Forerunner K2
57 / 100 Robo2u Score
Industrial general-purpose humanoid with strong dexterous…
Fourier Intelligence
GR-1
47 / 100 Robo2u Score
Full-size general-purpose humanoid for rehab, research and industry
| Spec | Forerunner K2 | GR-1 |
|---|---|---|
| Released | 2024-10 | 2023-07 |
| Status | Production | Production |
| Height | 178 cm | 165 cm |
| Payload | 30 kg | 50 kg |
| Degrees of freedom | 52 | 40 |
| Runtime | 480 min | — |
| Top speed | 1.1 m/s | 1.4 m/s |
| Price | $30k | — |
| Robo2u Score | 57 | 47 |
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.
