humanoidrobots.systems

AgiBot Lingxi X1 vs Agility Cassie

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

AgiBot Lingxi X1 has 21 more degrees of freedom (31 vs 10) than Cassie. Openness score: AgiBot Lingxi X1 85, Cassie 20 (of 100); only AgiBot Lingxi X1 publishes CAD, BOM, SW and POL. Availability: AgiBot Lingxi X1 diy build, Cassie research only.

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Side by side

■ rows differ
Side-by-side specifications. Rows marked with a square differ.
FieldAgiBot (Zhiyuan Robotics)AgiBot Lingxi X1Agility RoboticsAgility CassieΔ first − second
Identity
Maker (differs)AgiBot (Zhiyuan Robotics)Agility Robotics
Class (differs)HumanoidBiped
Status (differs)ActiveDiscontinued
Availability (differs)DIY buildResearch only
Country (differs)ChinaUnited States
Year (differs)20242017
Specifications
Height130cm—unsourced
Mass33kg—unsourced
Degrees of freedom (differs)3110+21 (+210%)
Payload0.5kg—unsourced
Top speed1m/s—unsourced
Runtime120min—unsourced
Battery capacity—unsourced—unsourced
Price—unsourcedNot for sale
ActuatorsAgiBot PowerFlow joint modules (R86-2, R86-3, R52, L28)—unsourced
Compute—unsourced—unsourced
Sensors—unsourced—unsourced
Openness and provenance
Openness bar8520
Openness score (differs)85/ 10020/ 100+65
CAD (25) (differs)publicnot public
Bill of materials (20) (differs)publicnot public
Sim model (URDF/MJCF) (20)publicpublic
Firmware (15)not publicnot public
Software (10) (differs)publicnot public
Trained policies (10) (differs)publicnot public
Verification level (differs)L1L2
Sources (differs)63
Last checked (differs)2026-09-252026-09-24

A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: AgiBot Lingxi X1, Cassie.

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