Engineered Ameca vs Kepler Forerunner K2 "Bumblebee"
Generated from the registry · revision 2026-09-26 · openness out of 100
Ameca is 12 cm taller (187 vs 175 cm) and 13 kg lighter (62 vs 75 kg) than Kepler Forerunner K2 "Bumblebee". Ameca has 9 more degrees of freedom (61 vs 52) than Kepler Forerunner K2 "Bumblebee". Both score 0/100 on openness. Availability for both: buy.
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Side by side
■ rows differ| Field | Engineered ArtsEngineered Ameca | Kepler Robotics (Shanghai Kepler Exploration Robot Co.)Kepler Forerunner K2 "Bumblebee" | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Engineered Arts | Kepler Robotics (Shanghai Kepler Exploration Robot Co.) | |
| Class | Humanoid | Humanoid | |
| Status | Active | Active | |
| Availability | Buy | Buy | |
| Country (differs) | United Kingdom | China | |
| Year (differs) | 2021 | 2024 | |
| Specifications | |||
| Height (differs) | 187cm | 175cm | +12 cm (+7%) |
| Mass (differs) | 62kg | 75kg | −13 kg (-17%) |
| Degrees of freedom (differs) | 61 | 52 | +9 (+17%) |
| Payload | —unsourced | 30kg | |
| Top speed | —unsourced | —unsourced | |
| Runtime | —unsourced | 480min | |
| Battery capacity | —unsourced | 2,330Wh | |
| Price | —unsourced | 30,000USD | |
| Actuators (differs) | Electric; 27 DOF head/face, 34 DOF upper body | Hybrid roller-screw linear + rotary actuators | |
| Compute (differs) | Embedded robot PC; Tritium robotOS (Linux/Yocto) | 100 TOPS onboard | |
| Sensors (differs) | 2x 8MP eye cameras, binaural mics, 4-ch chest mic, LiDAR safety sensors | 80+ integrated sensors; tactile dexterous hands | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score | 0/ 100 | 0/ 100 | = |
| CAD (25) | not public | not public | |
| Bill of materials (20) | not public | not public | |
| Sim model (URDF/MJCF) (20) | not public | not public | |
| Firmware (15) | not public | not public | |
| Software (10) | not public | not public | |
| Trained policies (10) | not public | not public | |
| Verification level | L0 | L0 | |
| Sources | 2 | 2 | |
| Last checked | 2026-09-24 | 2026-09-24 | |
A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: Ameca, Kepler Forerunner K2 "Bumblebee".
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