Booster T1 vs Kepler Forerunner K2 "Bumblebee"
Generated from the registry · revision 2026-09-26 · openness out of 100
Booster T1 is 57 cm shorter (118 vs 175 cm) and 45 kg lighter (30 vs 75 kg) than Kepler Forerunner K2 "Bumblebee". Booster T1 has 29 fewer degrees of freedom (23 vs 52) than Kepler Forerunner K2 "Bumblebee". Openness score: Booster T1 30, Kepler Forerunner K2 "Bumblebee" 0 (of 100); only Booster T1 publishes SIM and SW. Availability for both: buy.
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Side by side
■ rows differ| Field | Booster RoboticsBooster T1 | Kepler Robotics (Shanghai Kepler Exploration Robot Co.)Kepler Forerunner K2 "Bumblebee" | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Booster Robotics | Kepler Robotics (Shanghai Kepler Exploration Robot Co.) | |
| Class | Humanoid | Humanoid | |
| Status | Active | Active | |
| Availability | Buy | Buy | |
| Country | China | China | |
| Year | 2024 | 2024 | |
| Specifications | |||
| Height (differs) | 118cm | 175cm | −57 cm (-33%) |
| Mass (differs) | 30kg | 75kg | −45 kg (-60%) |
| Degrees of freedom (differs) | 23 | 52 | −29 (-56%) |
| Payload | —unsourced | 30kg | |
| Top speed | —unsourced | —unsourced | |
| Runtime (differs) | 120min | 480min | −360 min (-75%) |
| Battery capacity | —unsourced | 2,330Wh | |
| Price | —unsourced | 30,000USD | |
| Actuators | —unsourced | Hybrid roller-screw linear + rotary actuators | |
| Compute (differs) | NVIDIA Jetson AGX Orin (up to 200 TOPS) | 100 TOPS onboard | |
| Sensors | —unsourced | 80+ integrated sensors; tactile dexterous hands | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 30/ 100 | 0/ 100 | +30 |
| CAD (25) | not public | not public | |
| Bill of materials (20) | not public | not public | |
| Sim model (URDF/MJCF) (20) (differs) | public | not public | |
| Firmware (15) | not public | not public | |
| Software (10) (differs) | public | not public | |
| Trained policies (10) | not public | not public | |
| Verification level (differs) | L2 | 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: Booster T1, Kepler Forerunner K2 "Bumblebee".
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