Unitree G1 EDU Ultimate B (U4) Humanoid Robot
Smarter, Stronger, and Ready for Tomorrow’s Research
Say hello to the Unitree G1 EDU Ultimate B (U4) — the humanoid robot that doesn’t just keep up with the future, it helps build it. With 43 degrees of freedom, tactile-sensing dexterous hands, and powerhouse AI computing, the U4 delivers human-like precision, adaptability, and intelligence. Whether you’re pushing breakthroughs in AI, biomechanics, or robotics automation, this is the platform designed to scale with your ambitions.
Benefits
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Precision Meets Adaptability: Dual Dex3-1 dexterous hands with tactile sensors let the U4 handle delicate, complex tasks with human-like control.
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Brains + Brawn: Backed by an 8-core CPU and 100 TOPS NVIDIA Jetson Orin, the U4 processes real-time AI tasks, sensor data, and motor control simultaneously.
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Perception at Its Finest: Equipped with 3D LiDAR and a depth camera, the U4 sees and navigates the world in detail.
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Future-Proof Flexibility: Designed for full secondary development at both hardware and software levels, with extensive documentation for researchers and developers.
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Runs Longer, Stays Cooler: A 9000mAh smart battery offers ~2 hours of runtime, while local air cooling keeps performance stable during high-demand tasks.
Features
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43 DOF for expressive, full-body motion
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Two 3-finger Dex3-1 hands with tactile sensing + force control
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Dual encoders on every joint for maximum precision
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NVIDIA Jetson Orin AI module delivering 100 TOPS computing power
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Advanced sensing suite: 3D LiDAR + depth camera
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Integrated 4-microphone array and 5W speaker for interactive communication
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Connectivity: WiFi 6 and Bluetooth 5.2
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Rugged mechanical build: 120 N·m max knee torque, 3 kg arm load
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Quick-release 9000mAh battery with 54V 5A charger
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Intelligent OTA (over-the-air upgrades) for evolving functionality
Specifications
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Degrees of Freedom: 43 (6/leg, 3 waist, 7/arm)
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Joint Features: Hollow routing, dual encoders, extended motion ranges
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Waist Rotation: Z ±155°, X ±45°, Y ±30°
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Knee Range: 0–165°
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Hip Rotation: Pitch ±154°, Roll -30° to +170°, Yaw ±158°
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Wrist Articulation: Pitch ±92.5°, Yaw ±92.5°
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Arm Span: 0.45 m
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Calf + Thigh Length: 0.6 m
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Max Torque (Knee): 120 N·m
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Max Arm Load: 3 kg
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Battery: 9000mAh, ~2h runtime, 54V 5A charger
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Cooling: Local air-cooled system
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Dimensions (Standing): 1320 × 450 × 200 mm
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Dimensions (Folded): 690 × 450 × 300 mm
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Weight (with battery): ~35+ kg
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Upgrade Support: Intelligent OTA + full secondary development
Empower the Future of Robotics
The Unitree G1 EDU Ultimate B (U4) combines powerful AI capabilities, full-body dexterity, and robust developer flexibility—making it the ideal platform for the next wave of intelligent, responsive, and fully interactive humanoid robots.
Flexibility beyond ordinary people
Extra large joint movement angle space, 23~43 joint motors
Imitation & reinforcement learning driven
Robotics technology accelerated by AI is upgrading and evolving every day
Force control dexterous hand, manipulation of all things
Combined with force-position hybrid control, it is sensitive and reliable, and can simulate human hands to achieve precise operation of objects.
Robot world model, let’s create it together
UnifoLM (Unitree Robot Unified Large Model), create a new era of intelligence together
More flexible and more comfortable!

Start the agent New era
Unitree G1 Parameter
Package specs
- All the features of the G1 Edu Plus version
- Equipped with 2 Dex3-1 force-controlled 3-finger dexterous hands (with tactile sensor)
- Up to 43 DOF for whole robot