humanoidrobots.systems

Boston Atlas (electric) vs Sanctuary Phoenix

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

Atlas (electric) is 20 cm shorter (150 vs 170 cm) and 19 kg heavier (89 vs 70 kg) than Phoenix. Atlas (electric) has 25 kg more rated payload (50 vs 25 kg) than Phoenix. Both score 0/100 on openness. Availability for both: not for sale.

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Side by side

■ rows differ
Side-by-side specifications. Rows marked with a square differ.
FieldBoston DynamicsBoston Atlas (electric)Sanctuary AISanctuary PhoenixΔ first − second
Identity
Maker (differs)Boston DynamicsSanctuary AI
ClassHumanoidHumanoid
Status (differs)ActiveResearch
AvailabilityNot for saleNot for sale
Country (differs)United StatesCanada
Year (differs)20242023
Specifications
Height (differs)150cm170cm−20 cm (-12%)
Mass (differs)89kg70kg+19 kg (+27%)
Degrees of freedom56—unsourced
Payload (differs)50kg25kg+25 kg (+100%)
Top speed—unsourced1.3m/s
Runtime240min—unsourced
Battery capacity—unsourced—unsourced
PriceNot for saleNot for sale
Actuators (differs)Electric; actuators supplied by Hyundai MobisHydraulic hands (20 DOF total across both hands)
Compute—unsourcedCarbon AI control system
Sensors (differs)360-degree cameras; tactile-sensing handsHaptic sensing in hands
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)32
Last checked2026-09-242026-09-24

A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: Atlas (electric), Phoenix.

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