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GR2 (Fourier)
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Summary:
GR-2 is Fourier Intelligence’s second-generation humanoid platform: a 1.75-meter, ≈63-kg robot designed for real-world tasks, with 53 degrees of freedom, high-torque actuators, and 12-DoF dexterous hands equipped with tactile sensing. Launched in 2024, GR-2 focuses on robustness, modularity, and developer tooling for industrial and research applications.
Editorial:
When Fourier Intelligence announced GR-2, the company’s message was clear: this is a humanoid built for work, not spectacle. Rather than chase purely aesthetic milestones, GR-2 doubles down on practical upgrades — stronger actuators, more refined hands, and software that helps move research from simulation to the factory floor.
Fourier lists GR-2 at roughly 1.75 m tall and 63 kg, with a 53-degree-of-freedom body and 12-DoF dexterous hands outfitted with tactile sensor arrays. Those hands, together with the robot’s upgraded actuators, are intended to give GR-2 far greater manipulation fidelity than many earlier humanoids — useful when a task requires delicate gripping as well as brute force.
Hardware matters here. Fourier’s documentation highlights new FSA-series actuators and a higher torque envelope, allowing the platform to handle heavier tasks while keeping response times tight. The GR-2 also uses integrated cabling and a modular layout to shorten maintenance cycles — a design choice that speaks directly to customers in manufacturing and field service who need uptime and repairability.
Beyond raw mechanics, Fourier positions GR-2 as an ecosystem: an SDK and support for common robotics frameworks (ROS, NVIDIA Isaac, Mujoco) that let developers translate AI models into physical behavior more quickly. That software layer is as important as the metal and motors — it determines whether a lab prototype can become something useful on a real shop floor.
Early demos and coverage show GR-2 walking, manipulating objects, and operating in human environments — a necessary but still partial demonstration. Real-world deployment will hinge on long-term reliability, battery life in continuous operation, and safety certification in industrial settings. Fourier reports a swappable battery design that extends runtime, which helps but does not eliminate those operational questions.
Strategically, GR-2 is a statement: companies in China are not only building humanoids to showcase onstage, they are solving the messy engineering problems that follow — maintenance, integration, power systems, and developer tooling. For buyers and researchers, that shift makes GR-2 interesting because it’s designed to be used, not just admired.
Specifications:
Dimensions & Build
- Height: 175 cm
- Weight: 63 kg
- Design Intent: Research, industrial, and service‑task humanoid with enhanced agility and precision
- Construction:
- Integrated cabling for cleaner, more compact packaging
- New joint configuration for easier debugging and lower manufacturing cost
- Developer: Fourier Robotics (formerly Fourier Intelligence)
- Production Status: Released September 2024 as the second‑generation GR‑series humanoid
Mobility
- Locomotion: Full bipedal walking
- Capabilities:
- More agile locomotion than GR‑1
- Improved real‑world transition from AI simulation (Isaac Gym → Isaac Lab)
- Enhanced stability and dynamic movement
Note: No published walking speed, incline capability, or fall‑recovery metrics.
Degrees of Freedom
- Total DOF: 53 DOF
- Hands: 12‑DOF dexterous hands (double the dexterity of previous models)
Actuation
- Actuator Type: FSA 2.0 intelligent actuators
- Peak Torque: >380 Nm per joint (select joints)
- Key Capabilities:
- High‑precision, high‑power joint control
- Energy‑efficient actuation
- Stronger and smoother motion than GR‑1
Manipulation
- Hands: 12‑DOF tactile hands with real‑time adaptation
- Capabilities:
- Complex object handling
- High‑precision manipulation
- Tactile‑driven grasping and adjustment
Note: No payload or grip‑force numbers published.
Perception & Sensors
Confirmed capabilities:
- Tactile sensing in hands
- Sensor fusion for real‑time control
- Multi‑camera vision (details not published)
- Environmental awareness for research and service tasks
Note: No camera resolution, FOV, IMU specs, or tactile layout published.
Compute & AI
- Compute Platform: High‑performance onboard modules for AI inference and real‑time control
- Software Stack:
- SDK compatible with NVIDIA Isaac Lab, ROS, MuJoCo
- AI‑driven control and perception modules
- Cloud‑based updates and developer tools
- Capabilities:
- Reinforcement‑learning‑trained behaviors
- Predictive analytics
- Language‑model integration (per NVIDIA technical report)
Battery & Power
- Battery Life: 2 hours
- Power Source: Electric
Note: No battery capacity or charge‑time data published.
Connectivity
- Closed‑source control stack
- SDK + cloud tools for developers
- Real‑time communication and sensor fusion
Note: No Wi‑Fi/Bluetooth/5G details published.
Applications
- Research and AI development
- Industrial and service robotics
- Manipulation and dexterity studies
- Simulation‑to‑real robotics
- Human‑robot collaboration
Pricing
- $125,000
Fourier has NOT published:
Mobility
- Walking speed
- Step height
- Max incline
- Turning radius
- Fall‑recovery time
Manipulation
- Payload
- Grip force
- Joint speed
- Per‑finger DOF breakdown
Sensors
- Camera resolution
- Depth sensor type
- Field of view
- Microphone array
- IMU specifications
- Tactile sensor layout
Compute
- CPU/GPU architecture
- TOPS
- Memory
- Real‑time control frequency
Battery & Power
- Battery capacity
- Charge time
- Power draw
Environmental Ratings
- Operating temperature
- Humidity tolerance
- IP rating
Image: humanoidrobotsguidetothegalaxy
Company Source:
Fourier Intelligence – Official GR‑2 Product Page https://www.fftai.com/products-gr2
Key News & Coverage:
Fourier Unveils the Next‑Generation Humanoid Robot GR‑2
https://www.fftai.com/newsroom-newintech/14
Fourier Unveils the Next‑Generation Humanoid Robot GR‑2 – PR Newswire (US)
Fourier GR‑2 – Press Release Hub