humanoidrobots.systems

Kepler Forerunner K2 "Bumblebee" vs MenteeBot

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

Kepler Forerunner K2 "Bumblebee" is 5 kg heavier (75 vs 70 kg) than MenteeBot. Kepler Forerunner K2 "Bumblebee" has 12 more degrees of freedom (52 vs 40) and 5 kg more rated payload (30 vs 25 kg) than MenteeBot. Both list the same height (175 cm). Kepler Forerunner K2 "Bumblebee" lists at $30,000; MenteeBot is not for sale. Both score 0/100 on openness. Availability: Kepler Forerunner K2 "Bumblebee" buy, MenteeBot not for sale.

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Side by side

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Side-by-side specifications. Rows marked with a square differ.
FieldKepler Robotics (Shanghai Kepler Exploration Robot Co.)Kepler Forerunner K2 "Bumblebee"Mentee RoboticsMenteeBotΔ first − second
Identity
Maker (differs)Kepler Robotics (Shanghai Kepler Exploration Robot Co.)Mentee Robotics
ClassHumanoidHumanoid
Status (differs)ActiveAnnounced
Availability (differs)BuyNot for sale
Country (differs)ChinaIsrael
Year20242024
Specifications
Height175cm175cm=
Mass (differs)75kg70kg+5 kg (+7%)
Degrees of freedom (differs)5240+12 (+30%)
Payload (differs)30kg25kg+5 kg (+20%)
Top speed—unsourced1.5m/s
Runtime480min—unsourced
Battery capacity2,330Wh—unsourced
Price (differs)30,000USDNot for sale
ActuatorsHybrid roller-screw linear + rotary actuators—unsourced
Compute100 TOPS onboard—unsourced
Sensors (differs)80+ integrated sensors; tactile dexterous hands360-degree vision
Openness and provenance
Openness bar00
Openness score0/ 1000/ 100=
CAD (25)not publicnot public
Bill of materials (20)not publicnot public
Sim model (URDF/MJCF) (20)not publicnot public
Firmware (15)not publicnot public
Software (10)not publicnot public
Trained policies (10)not publicnot public
Verification levelL0L0
Sources (differs)23
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", MenteeBot.

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