Quick Verdict
GR-1 leads in higher payload, while Walker S2 leads in more DOF, faster speed. Overall, Walker S2 has an edge in 2 out of 3 compared categories.
GR-1
Fourier Intelligence
Walker S2
UBTECH Robotics
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GR-1 Walker S2
Specifications
~$150,000–$170,000Price$90,000
165 cmHeight176 cm
55 kgWeight73 kg
40DOF52
50 kgPayload15 kg
1hRuntime—
1.39 m/sSpeed2 m/s
YesStairsYes
NoLiDARNo
NVIDIA Isaac Lab ecosystemComputeN/A
Ecosystem Openness
65
GR-1
/100
—
Walker S2
ROS + Isaac Lab + MuJoCo. Growing research community.
Last updated: 2025
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