Boston Atlas (electric) vs Kepler Forerunner K2 "Bumblebee"
Generated from the registry · revision 2026-09-26 · openness out of 100
Atlas (electric) is 25 cm shorter (150 vs 175 cm) and 14 kg heavier (89 vs 75 kg) than Kepler Forerunner K2 "Bumblebee". Atlas (electric) has 4 more degrees of freedom (56 vs 52) and 20 kg more rated payload (50 vs 30 kg) than Kepler Forerunner K2 "Bumblebee". Kepler Forerunner K2 "Bumblebee" lists at $30,000; Atlas (electric) is not for sale. Both score 0/100 on openness. Availability: Atlas (electric) not for sale, Kepler Forerunner K2 "Bumblebee" buy.
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Side by side
■ rows differ| Field | Boston DynamicsBoston Atlas (electric) | Kepler Robotics (Shanghai Kepler Exploration Robot Co.)Kepler Forerunner K2 "Bumblebee" | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Boston Dynamics | Kepler Robotics (Shanghai Kepler Exploration Robot Co.) | |
| Class | Humanoid | Humanoid | |
| Status | Active | Active | |
| Availability (differs) | Not for sale | Buy | |
| Country (differs) | United States | China | |
| Year | 2024 | 2024 | |
| Specifications | |||
| Height (differs) | 150cm | 175cm | −25 cm (-14%) |
| Mass (differs) | 89kg | 75kg | +14 kg (+19%) |
| Degrees of freedom (differs) | 56 | 52 | +4 (+8%) |
| Payload (differs) | 50kg | 30kg | +20 kg (+67%) |
| Top speed | —unsourced | —unsourced | |
| Runtime (differs) | 240min | 480min | −240 min (-50%) |
| Battery capacity | —unsourced | 2,330Wh | |
| Price (differs) | Not for sale | 30,000USD | |
| Actuators (differs) | Electric; actuators supplied by Hyundai Mobis | Hybrid roller-screw linear + rotary actuators | |
| Compute | —unsourced | 100 TOPS onboard | |
| Sensors (differs) | 360-degree cameras; tactile-sensing hands | 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 (differs) | 3 | 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: Atlas (electric), Kepler Forerunner K2 "Bumblebee".
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