humanoidrobots.systems

Hyperspawn Dropbear vs Poppy Humanoid

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

Dropbear is 96 cm taller (180 vs 84 cm) and 41.5 kg heavier (45 vs 3.5 kg) than Poppy Humanoid. Dropbear has 7 more degrees of freedom (32 vs 25) than Poppy Humanoid. Openness score: Dropbear 100, Poppy Humanoid 90 (of 100); only Dropbear publishes POL. Availability: Dropbear preorder, Poppy Humanoid kit.

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Side by side

■ rows differ
Side-by-side specifications. Rows marked with a square differ.
FieldHyperspawn RoboticsHyperspawn DropbearPoppy Project (Inria Flowers)Poppy HumanoidΔ first − second
Identity
Maker (differs)Hyperspawn RoboticsPoppy Project (Inria Flowers)
ClassHumanoidHumanoid
Status (differs)ActiveOrphaned
Availability (differs)PreorderKit
Country (differs)IndiaFrance
Year2023—unsourced
Specifications
Height (differs)180cm84cm+96 cm (+114%)
Mass (differs)45kg3.5kg+41.5 kg (+1186%)
Degrees of freedom (differs)3225+7 (+28%)
Payload5kg—unsourced
Top speed—unsourced—unsourced
Runtime120min—unsourced
Battery capacity960Wh—unsourced
Price9,999USD—unsourced
Actuators (differs)MyActuator RMD-X10, RMD-X8, RMD-X6 and CEM-60 over 1 Mbit/s CAN (18 per the 2026 BOM; myactuator-can lists 12 RMD-X8 Pro, 4 RMD-X10 V3, 6 CEM-60); 6 NEMA 17 lead-screw steppers in the Stewart-platform neck. hyperspawn.ai: servo + QDD.Dynamixel: 19 MX-28AT, 4 MX-64AT, 2 AX-12A
Compute (differs)NVIDIA Jetson AGX Orin 64GB (BOM; Orin NX 16GB alternative) plus one ESP32-DevKitC-V4 CAN node per limb. Kit: Raspberry Pi 5 base, Jetson Orin advanced.Raspberry Pi (current kit version)
SensorsIntel RealSense D455f depth camera, IMU (center-IMU controller role), foot load cells (4x HX711 per foot, dropbear-feet), actuator encoders; five AS5600 magnetic angle sensors per leg controller (observation-safe firmware)—unsourced
Openness and provenance
Openness bar10090
Openness score (differs)100/ 10090/ 100+10
CAD (25)publicpublic
Bill of materials (20)publicpublic
Sim model (URDF/MJCF) (20)publicpublic
Firmware (15)publicpublic
Software (10)publicpublic
Trained policies (10) (differs)publicnot public
Verification level (differs)L2L1
Sources (differs)166
Last checked2026-09-252026-09-25

A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: Dropbear, Poppy Humanoid.

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