AI Sapiens K0 Specifications

Last updated: 2026-04-26

Last updated: April 2026

Physical Dimensions
Height	1.3 m
Weight	34 kg

Degrees of Freedom
Total DoF	23
Leg DoF (each)	6
Arm DoF (each)	5
Waist DoF	1 (single-axis)

Actuators
Actuator Family	Dynamixel-Q (Quasi-Direct Drive)
Total Units	23 in-house Dynamixel-Q QDD actuators
QM-060 Units	14
QM-080 Units	9
Design Goals	High backdrivability, precise torque control
Commercial Release	Broader Dynamixel-Q availability scheduled for H2 2026

Locomotion
Locomotion Type	Bipedal
Mobility Profile	Research-grade walking platform; specific gait performance figures not yet published

Computing
Onboard Compute	NPU at 6 TOPS
Simulation Compatibility	NVIDIA Isaac Sim (reinforcement learning)
Imitation Learning Support	Leader-follower teleoperation rigs

Power
Battery Voltage	46.8 V
Battery Capacity	9000 mAh
Runtime	Not officially specified at unveil

Open-Source Release
Hardware BoM	Released
CAD Files	Released
Source Code	Released
Simulation Assets	Released
Stated Goal	Lower the rebuild friction for research labs and Physical AI teams

Pricing & Availability
Platform Status	Unveiled 20 April 2026; coming H2 2026 with the Dynamixel-Q rollout
Retail Price	Not yet disclosed (TBA)
Pricing Model	Hardware sales (ROBOTIS) + open-source for research / educational rebuilds
Open-Source	Yes (BoM, CAD, source, simulation)

Competitor Comparison

Specification	AI Sapiens K0	Unitree R1	Figure 02	Tesla Optimus
Country	South Korea	China	USA	USA
Height	1.3 m	1.21 m	1.68 m	1.73 m
Weight	34 kg	25 kg	~60 kg	~57 kg
DoF	23	26	41	50+
Compute	6 TOPS NPU	8-core CPU + GPU	Custom	Tesla FSD chip
Open-Source	Yes (full)	Partial (SDK)	No	No
Status	Coming H2 2026	Available (AliExpress)	Limited deployment	Early production
Price	TBA	From US$4,900	Not disclosed	Target ~$20,000

Specification Sources

Humanoids Daily — primary technical source for height, weight, joint distribution, actuator counts and compute
ROBOTIS AI — Project site — AI Sapiens series overview and open-platform release scope
BigGo Finance — commercial release timeline (H2 2026 Dynamixel-Q rollout)
Dynamixel — What is DYNAMIXEL? — actuator family background

Disclaimer: Specifications are sourced from the publications listed above. Specific gait, walking speed, payload and runtime figures were not yet published at the unveil. Pricing has not been disclosed. Some content on this page was created with the assistance of AI tools.