humanoidrobots.systems

Stanford ToddlerBot vs XPeng IRON

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

ToddlerBot is 122 cm shorter (56 vs 178 cm) and 66.6 kg lighter (3.4 vs 70 kg) than XPeng IRON. Openness score: ToddlerBot 100, XPeng IRON 0 (of 100); only ToddlerBot publishes CAD, BOM, SIM, FW, SW and POL. Availability: ToddlerBot diy build, XPeng IRON not for sale.

01

Side by side

■ rows differ
Side-by-side specifications. Rows marked with a square differ.
FieldStanford UniversityStanford ToddlerBotXPengXPeng IRONΔ first − second
Identity
Maker (differs)Stanford UniversityXPeng
ClassHumanoidHumanoid
Status (differs)ResearchAnnounced
Availability (differs)DIY buildNot for sale
Country (differs)United StatesChina
Year (differs)20252024
Specifications
Height (differs)56cm178cm−122 cm (-69%)
Mass (differs)3.4kg70kg−66.6 kg (-95%)
Degrees of freedom30—unsourced
Payload1.48kg—unsourced
Top speed—unsourced—unsourced
Runtime—unsourced—unsourced
Battery capacity—unsourced—unsourced
Price—unsourcedNot for sale
Actuatorsservo actuators; 7 DOF/arm, 6 DOF/leg, 2 neck, 2 waist—unsourced
Compute (differs)NVIDIA Jetson Orin NX 16GB3x XPeng Turing AI chips, 2,250 TOPS
Sensors—unsourced—unsourced
Openness and provenance
Openness bar1000
Openness score (differs)100/ 1000/ 100+100
CAD (25) (differs)publicnot public
Bill of materials (20) (differs)publicnot public
Sim model (URDF/MJCF) (20) (differs)publicnot public
Firmware (15) (differs)publicnot public
Software (10) (differs)publicnot public
Trained policies (10) (differs)publicnot public
Verification level (differs)L2L0
Sources (differs)32
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: ToddlerBot, XPeng IRON.

02

Related comparisons

Add a third or fourth robot to this comparison