humanoidrobots.systems

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Pick two to four robots. Every pair also has its own permanent page, 1,326 in total, generated from the same records.

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Booster K1 vs Reachy 2

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Booster K1 is 71 cm shorter (95 vs 166 cm) and 30.5 kg lighter (19.5 vs 50 kg) than Reachy 2. Booster K1 has 4 more degrees of freedom (22 vs 18) than Reachy 2. Listed prices: Booster K1 $4,999, Reachy 2 $70,000. Openness score: Booster K1 30, Reachy 2 45 (of 100); only Reachy 2 publishes FW. Availability for both: buy.

Side-by-side specifications. Rows marked with a square differ.
FieldBooster RoboticsBooster K1Pollen Robotics (Hugging Face)Pollen Reachy 2Δ first − second
Identity
Maker (differs)Booster RoboticsPollen Robotics (Hugging Face)
Class (differs)HumanoidWheeled humanoid
StatusActiveActive
AvailabilityBuyBuy
Country (differs)ChinaFrance
Year (differs)20252024
Specifications
Height (differs)95cm166cm−71 cm (-43%)
Mass (differs)19.5kg50kg−30.5 kg (-61%)
Degrees of freedom (differs)2218+4 (+22%)
Payload—unsourced3kg
Top speed—unsourced0.83m/s
Runtime40min—unsourced
Battery capacity—unsourced840Wh
Price (differs)4,999USD70,000USD−65,001 USD (-93%)
Actuators (differs)Dual-encoder actuatorsOrbita parallel joints (neck, wrists)
Compute (differs)NVIDIA Jetson Orin NX 8GB (117 TOPS) base; up to 200 TOPS tierSolidRun BedRock V3000 industrial PC
Sensors (differs)RGB-D camera, 9-axis IMU, microphone array2x IMX296 RGB, Orbbec Gemini 336 RGB-D, ToF, RPLIDAR S2, IMU, microphones
Openness and provenance
Openness bar3045
Openness score (differs)30/ 10045/ 100−15
CAD (25)not publicnot public
Bill of materials (20)not publicnot public
Sim model (URDF/MJCF) (20)publicpublic
Firmware (15) (differs)not publicpublic
Software (10)publicpublic
Trained policies (10)not publicnot public
Verification levelL1L1
Sources (differs)23
Last checked2026-09-242026-09-24
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Best-documented pairs

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