humanoidrobots.systems

Kepler Forerunner K2 "Bumblebee" vs Unitree H1-2

Generated from the registry · revision 2026-09-26 · openness out of 100

Kepler Forerunner K2 "Bumblebee" is 3 cm shorter (175 vs 178 cm) and 5 kg heavier (75 vs 70 kg) than Unitree H1-2. Kepler Forerunner K2 "Bumblebee" has 25 more degrees of freedom (52 vs 27) and 23 kg more rated payload (30 vs 7 kg) than Unitree H1-2. Openness score: Kepler Forerunner K2 "Bumblebee" 0, Unitree H1-2 40 (of 100); only Unitree H1-2 publishes SIM, SW and POL. Availability for both: buy.

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FieldKepler Robotics (Shanghai Kepler Exploration Robot Co.)Kepler Forerunner K2 "Bumblebee"Unitree RoboticsUnitree H1-2Δ first − second
Identity
Maker (differs)Kepler Robotics (Shanghai Kepler Exploration Robot Co.)Unitree Robotics
ClassHumanoidHumanoid
StatusActiveActive
AvailabilityBuyBuy
CountryChinaChina
Year20242024
Specifications
Height (differs)175cm178cm−3 cm (-2%)
Mass (differs)75kg70kg+5 kg (+7%)
Degrees of freedom (differs)5227+25 (+93%)
Payload (differs)30kg7kg+23 kg (+329%)
Top speed—unsourced2m/s
Runtime480min—unsourced
Battery capacity (differs)2,330Wh864Wh+1,466 Wh (+170%)
Price30,000USD—unsourced
Actuators (differs)Hybrid roller-screw linear + rotary actuatorsUnitree in-house electric joint motors
Compute (differs)100 TOPS onboardIntel Core i5 standard; i7 or up to 3x Jetson Orin NX optional
Sensors (differs)80+ integrated sensors; tactile dexterous hands3D LiDAR, depth camera
Openness and provenance
Openness bar040
Openness score (differs)0/ 10040/ 100−40
CAD (25)not publicnot public
Bill of materials (20)not publicnot public
Sim model (URDF/MJCF) (20) (differs)not publicpublic
Firmware (15)not publicnot public
Software (10) (differs)not publicpublic
Trained policies (10) (differs)not publicpublic
Verification level (differs)L0L1
Sources22
Last checked2026-09-242026-09-24

A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: Kepler Forerunner K2 "Bumblebee", Unitree H1-2.

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