Alfie vs Forerunner K2
Humanoid robot spec comparison — Prosper Robotics vs Kepler Robotics.
Prosper Robotics
Alfie
31 / 100 Robo2u Score
London-built domestic robot butler from Prosper Robotics (ex-OpenAI founder) on a wheeled base
Kepler Robotics
Forerunner K2
83 / 100 Robo2u Score
Industrial general-purpose humanoid from Kepler Robotics with strong dexterous manipulation
| Spec | Alfie | Forerunner K2 |
|---|---|---|
| Released | — | 2024-10 |
| Status | Prototype | Production |
| Height | 170 cm | 178 cm |
| Payload | — | 30 kg |
| Degrees of freedom | — | 52 |
| Runtime | — | 480 min |
| Top speed | — | 1.1 m/s |
| Price | — | $30k |
| Robo2u Score | 31 | 83 |
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.
