Quick Verdict
Astribot S1 leads in more DOF, longer runtime, while R1 leads in lower price. Overall, Astribot S1 has an edge in 2 out of 3 compared categories.
Astribot S1
Stardust Intelligence
R1
Unitree Robotics
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Astribot S1 R1
Specifications
$100,000Price$4,900
170 cmHeight122 cm
80 kgWeight25 kg
36DOF20
10 kgPayload—
5hRuntime1h
—Speed2.5 m/s
—StairsYes
YesLiDARNo
Linux-basedCompute8-core CPU; NVIDIA Jetson Orin (EDU)
Ecosystem Openness
—
Astribot S1
/100
72
R1
ROS2 support, newer platform — ecosystem growing.
Last updated: 2026