Kepler Forerunner K2 "Bumblebee" vs Pollen Reachy 2
Generated from the registry · revision 2026-09-26 · openness out of 100
Kepler Forerunner K2 "Bumblebee" is 9 cm taller (175 vs 166 cm) and 25 kg heavier (75 vs 50 kg) than Reachy 2. Kepler Forerunner K2 "Bumblebee" has 34 more degrees of freedom (52 vs 18) and 27 kg more rated payload (30 vs 3 kg) than Reachy 2. Listed prices: Kepler Forerunner K2 "Bumblebee" $30,000, Reachy 2 $70,000. Openness score: Kepler Forerunner K2 "Bumblebee" 0, Reachy 2 45 (of 100); only Reachy 2 publishes SIM, FW and SW. Availability for both: buy.
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Side by side
■ rows differ| Field | Kepler Robotics (Shanghai Kepler Exploration Robot Co.)Kepler Forerunner K2 "Bumblebee" | Pollen Robotics (Hugging Face)Pollen Reachy 2 | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Kepler Robotics (Shanghai Kepler Exploration Robot Co.) | Pollen Robotics (Hugging Face) | |
| Class (differs) | Humanoid | Wheeled humanoid | |
| Status | Active | Active | |
| Availability | Buy | Buy | |
| Country (differs) | China | France | |
| Year | 2024 | 2024 | |
| Specifications | |||
| Height (differs) | 175cm | 166cm | +9 cm (+5%) |
| Mass (differs) | 75kg | 50kg | +25 kg (+50%) |
| Degrees of freedom (differs) | 52 | 18 | +34 (+189%) |
| Payload (differs) | 30kg | 3kg | +27 kg (+900%) |
| Top speed | —unsourced | 0.83m/s | |
| Runtime | 480min | —unsourced | |
| Battery capacity (differs) | 2,330Wh | 840Wh | +1,490 Wh (+177%) |
| Price (differs) | 30,000USD | 70,000USD | −40,000 USD (-57%) |
| Actuators (differs) | Hybrid roller-screw linear + rotary actuators | Orbita parallel joints (neck, wrists) | |
| Compute (differs) | 100 TOPS onboard | SolidRun BedRock V3000 industrial PC | |
| Sensors (differs) | 80+ integrated sensors; tactile dexterous hands | 2x IMX296 RGB, Orbbec Gemini 336 RGB-D, ToF, RPLIDAR S2, IMU, microphones | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 0/ 100 | 45/ 100 | −45 |
| CAD (25) | not public | not public | |
| Bill of materials (20) | not public | not public | |
| Sim model (URDF/MJCF) (20) (differs) | not public | public | |
| Firmware (15) (differs) | not public | public | |
| Software (10) (differs) | not public | public | |
| Trained policies (10) | not public | not public | |
| Verification level (differs) | L0 | L1 | |
| Sources (differs) | 2 | 3 | |
| 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: Kepler Forerunner K2 "Bumblebee", Reachy 2.
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