Unitree R1

R1 is Unitree's entry-level humanoid, introduced on 25 July 2025 with a launch video and a price that did more for its reputation than any specification: 5,900 USD for the standard model, roughly a tenth of what a full-size research humanoid cost at the time. It is deliberately small — about 123 cm standing and under 30 kg — which is what makes the price possible, and which also defines who it is for: developers, universities and hobbyist labs rather than factories. The robot ships in three configurations. R1 AIR is the stripped-down version at 4,900 USD, with 20 degrees of freedom, four per arm and a single monocular camera. The standard R1 and the R1 EDU move up to 26 degrees of freedom, adding a fifth joint in each arm plus waist and head articulation, and swap in a binocular camera. All three carry a four-microphone array and a speaker, run on an eight-core processor and connect over Wi-Fi 6 and Bluetooth 5.2. Unitree quotes about one hour of battery life from the quick-release pack. What drew attention at launch were the acrobatics — the introduction video showed the robot running, cartwheeling and throwing kung-fu kicks — but the more consequential feature is that Unitree opens the joint and sensor interfaces, so buyers can replace the control stack entirely. Onboard voice and image recognition are handled by a multimodal model, and the software is updated over the air. R1 does not replace the full-size H1 or G1 lines; it sits below them. The trade-offs are visible in the numbers: one hour of runtime, a small frame and no published payload rating mean it is a platform for learning and demonstration, not for carrying work through a shift.

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