Unitree R1-A7
The Unitree R1-A7 is a legless dual-arm humanoid from Unitree's R1-D family, launched in 2026 with two 7 degree of freedom arms, quick-change grippers or three and five finger dexterous hands, 0.1 millimeter end clamp accuracy and 2 to 4 kilogram arm loads, deployable on a fixed mount or, as the R1-A7-D, on a LiDAR equipped wheeled base.
Unitree R1-A7
The most common criticism of Unitree's breakthrough R1 humanoid was also the most practical: it could run, flip and throw kung fu combinations, but with no working hands, it could not actually do anything for you. The Unitree R1-A7 is the answer, delivered in 2026 as part of the R1-D dual-arm family: the R1 platform reimagined as a pure manipulation worker, a legless upper body humanoid with head, torso and two 7 degree of freedom arms, quick fitted with two finger grippers or three and five finger dexterous hands, achieving end clamp accuracy of ±0.1 millimeters and arm loads of 2 to 4 kilograms, at roughly 13 kilograms of hardware that mounts to a bench, a station or, in the R1-A7-D variant, a self raising wheeled base with LiDAR.
The design trade is deliberate and honest: the A series cannot dance, because it has no legs, and in exchange it can work, Unitree applying its price collapsing formula to the dual arm manipulation category the way the original R1 applied it to bipeds, with family pricing that starts below any comparable dual arm platform and options, hands, compute, base, scaling to the mission. For factories, labs, classrooms and the data collection economy, it converts the R1 from entertainer to employee.
Within Unitree's range, the R1-A7 sits at the accessible end of the upper body humanoid category, beneath the industrial H2-D, alongside its shorter armed R1-A5 sibling. The Unitree R1-A7 for sale, with full specifications, can be explored through this page.
Background
Why did Unitree build a humanoid without legs?
The original R1's July 2025 launch proved demand for affordable humanoids, and its limitation defined the sequel: commentators and communities repeatedly noted that without hands, the platform was, in practice, an intelligent companion rather than a tool. Meanwhile, the fastest growing demand in embodied AI was for exactly what the R1 lacked, dual arm manipulation for station work, teleoperated data collection and imitation learning research, workloads where legs add cost, complexity and instability without adding value. The R1-D family, announced in the first half of 2026, resolved the equation: keep the R1's head, torso, sensing and interaction stack, replace locomotion with a mount or a wheeled column, and spend the savings on arms, hands and precision.
The A5 and A7 split
The family divides by arm architecture: the R1-A5 carries 5 degree of freedom arms in a 700 millimeter compact form, while the R1-A7 extends to 7 degrees of freedom per arm with longer reach in an 835 millimeter frame, the extra elbow and wrist articulation that separates pick and place from genuinely humanlike manipulation, redundant kinematics for reaching around obstacles, natural teleoperation mapping and the in workspace dexterity manipulation research values.
Technical Specifications
| Specification | R1-A5 | R1-A7 | R1-A5-D | R1-A7-D |
|---|---|---|---|---|
| Dimensions | 700 × 357 × 190 mm | 835 × 357 × 190 mm | 683 × 520 × 440 mm (shrunk), 1600 × 520 × 440 mm (raised) | 683 × 520 × 440 mm (shrunk), 1600 × 520 × 440 mm (raised) |
| Weight | ~11 kg (external power) | ~13 kg (external power) | ~30 kg | ~32 kg |
| Total DOF (with gripper) | 15 | 19 | 18 | 22 |
| DOF per Arm | 5 | 7 | 5 | 7 |
| Max Arm Load | 2–4 kg | 2–4 kg | 2–4 kg | 2–4 kg |
| End Clamp Accuracy | ±0.1 mm | ±0.1 mm | ±0.1 mm | ±0.1 mm |
| Base | Fixed mount | Fixed mount | Wheeled, self raising, LiDAR | Wheeled, self raising, LiDAR |
| End Effectors | Gripper / 3 finger / 5 finger hands | Same | Same | Same |
| Vision | Binocular module: RGB 1280×720 @ 30 Hz, depth 544×488 @ 10 Hz | Same | Same | Same |
| Audio | 4 array microphone + dual speakers | Same | Same | Same |
| AI Compute | Dual eye computing module; optional NVIDIA Jetson Orin | Same | Same | Same |
Figures follow Unitree's official R1-D family page; end effectors quick change across five available Dex actuator types, and arm load varies with configuration and posture.
How does the R1-A7 differ from the R1-A5?
Reach and articulation. The A7's two extra joints per arm, 7 versus 5 degrees of freedom, and its longer 835 millimeter frame buy the capabilities that matter most as tasks harden: reaching around fixtures, reorienting objects within the grasp, mapping naturally to human teleoperators for demonstration capture and executing the contact rich sequences imitation learning research trains on. The A5 remains the value choice for simpler pick, place and tending patterns; the A7 is the configuration for programs that intend to push what dual arms can learn, and the D variants add the wheeled dimension, a self raising column running 683 to 1,600 millimeters with LiDAR navigation, converting either arm architecture into an indoor mobile manipulator in the mold of the full scale wheeled humanoid category.
Technology
Precision as the headline
The family's defining figure is ±0.1 millimeter end clamp accuracy, precision language borrowed from industrial arms rather than humanoid marketing, paired with 2 to 4 kilogram arm loads and quick change tooling across grippers and three and five finger dexterous hands from the ecosystem behind the wider robot hands field, the specification set of a machine intended to hold station jobs rather than demonstrations.
Teaching without programming
The platform supports drag and drop teaching, operators physically guiding the arms through tasks that the robot then repeats, alongside open interfaces across the underlying system, arms, audio, lighting and visual control, and a mature development framework supporting full process secondary development, the accessibility ladder running from a technician's guided demonstration to a lab's custom control stack, with an optional NVIDIA Jetson Orin module adding onboard AI headroom.
Sensing built for manipulation and interaction
The binocular dual eye module delivers RGB at 1280 by 720 and 30 hertz with depth at 544 by 488 and 10 hertz, the workspace perception grasping runs on, while the four microphone array and dual speakers carry voice collaboration, a manipulation station that also talks, inherited directly from the R1's interaction stack, supported by Unitree's ecosystem and accessories.
What is the Unitree R1-A7 used for?
- Factory and warehouse stations: bench and line manipulation, tending and light assembly across industrial, factory and warehouse humanoid deployments, precision station work at unprecedented entry cost.
- Data collection and imitation learning: dual 7 DOF arms with human natural teleoperation mapping, the demonstration capture hardware of the embodied AI data economy across research robotics.
- Education: affordable dual arm manipulation curriculum across educational robotics, drag and drop teaching for beginners, full SDK depth for advanced courses.
- Mobile indoor service and manipulation: the A7-D's wheeled, self raising configuration carrying manipulation between stations, the compact cousin of full scale mobile manipulators like the H2-D.
- Interactive stations and demonstrations: voice collaborating manipulation exhibits across exhibition and commercial settings, the robot that works and explains simultaneously.
Pricing and Availability
The Unitree R1-A7 is available for purchase worldwide across its fixed and wheeled configurations, from single station units to fleet and classroom programs, alongside the R1 family, the upper body category and the full Unitree lineup on Robots International. Unitree R1-A7 price and cost vary substantially by end effector selection, base configuration, compute options and destination, so buyers seeking the R1-A7 for sale should request a current quotation for their requirements. Purchasing inquiries, specification sheets and availability details for those looking to buy the Unitree R1-A7 can be found on this page.
Frequently Asked Questions
What is the Unitree R1-A7?
The R1-A7 is a legless dual arm humanoid from Unitree's R1-D family: head, torso and two 7 degree of freedom arms totaling 19 degrees of freedom with grippers, weighing about 13 kilograms, achieving ±0.1 millimeter end clamp accuracy with 2 to 4 kilogram arm loads, mounted fixed or on the R1-A7-D's LiDAR equipped wheeled base.
How does the Unitree R1-A7 work?
The R1-A7 perceives its workspace through a binocular RGB and depth module, manipulates through quick change grippers or three and five finger dexterous hands, learns tasks by drag and drop demonstration or full secondary development through open interfaces, collaborates by voice through its microphone array and speakers and optionally computes on an onboard NVIDIA Jetson Orin.
Why is the Unitree R1-A7 important?
It brings Unitree's price collapsing playbook to dual arm manipulation, the fastest growing demand in embodied AI, converting the R1 platform from performer to worker and putting industrial adjacent precision, redundant 7 DOF kinematics and dexterous hand options within reach of classrooms, labs and small operations for the first time.
What are the benefits of the Unitree R1-A7?
Key benefits include 7 degree of freedom arms with humanlike redundancy, ±0.1 millimeter end precision with 2 to 4 kilogram loads, quick change tooling from grippers to five finger hands, drag and drop teaching alongside full development openness, fixed or wheeled deployment and the lowest entry cost in its dual arm class.
What is the difference between the R1-A5, R1-A7, R1-A5-D and R1-A7-D?
The A5 carries 5 DOF arms in a 700 millimeter compact form; the A7 extends to 7 DOF arms with longer reach at 835 millimeters; and the D variants mount either arm set on a self raising wheeled base with LiDAR, running 683 to 1,600 millimeters tall at roughly 30 to 32 kilograms, for indoor mobile manipulation.
Can the R1-A7 use dexterous hands?
Yes, by design: the end mounts quick change across five available actuator types, from two finger grippers through three finger to five finger dexterous hands, letting one platform serve simple grasping, tool handling and the fine manipulation research that dexterous hands unlock.
Where can I buy the Unitree R1-A7 and what does it cost?
The R1-A7 is for sale through Robots International, serving markets worldwide with delivery, customs clearance and support. Because cost varies by hands, base and compute configuration, buyers should request a tailored quotation. Full purchasing details are available on this page.
Summary
The Unitree R1-A7 is the R1 with its priorities inverted and its critics answered: the legs are gone, the hands have arrived, and the price stays Unitree. Two 7 degree of freedom arms at tenth millimeter precision, tooling that swaps from gripper to five fingers, teaching that starts with a technician's guiding hand and scales to full secondary development, and a wheeled D variant that raises itself from bench height to standing reach, the manipulation platform the embodied AI era's stations, classrooms and data pipelines were waiting for someone to make affordable. As the accessible entry to dual arm humanoid work, the Unitree R1-A7 stands as the definitive reference point in its class.
v2, August 8, 2026