Quick Verdict
R1 leads in lower price, while Astribot S1 leads in more DOF, longer runtime. Overall, Astribot S1 has an edge in 2 out of 3 compared categories.
R1
Unitree Robotics
Astribot S1
Stardust Intelligence
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R1 Astribot S1
Specifications
$4,900Price$100,000
122 cmHeight170 cm
25 kgWeight80 kg
20DOF36
—Payload10 kg
1hRuntime5h
2.5 m/sSpeed—
YesStairs—
NoLiDARYes
8-core CPU; NVIDIA Jetson Orin (EDU)ComputeLinux-based
Ecosystem Openness
72
R1
/100
—
Astribot S1
ROS2 support, newer platform — ecosystem growing.
Last updated: 2026