iCub

Release

Jan 1, 2009

Price

Price TBA

Connectivity

2

Status

Active

Height

104cm

Weight

22kg

Battery

N/A (tethered — external power via umbilical cable)

Research Active

iCub

iCub is an open-source humanoid robot designed for research into embodied cognition and artificial intelligence. Built by the Italian Institute of Technology (IIT) in Genoa, it's the size of a 3.5-year-old child at 104 cm tall. Over 40 units are in use at research labs across Europe, the US, Korea, Singapore, China, and Japan. The hardware and software are fully open-source under GPL. It has 53 degrees of freedom, stereo vision cameras, microphones, and an optional full-body tactile skin. It can crawl, walk, sit, grasp objects, make facial expressions, and learn from interaction — making it one of the most capable research humanoids in the world.

Listed price

Price TBA

Research platform — not commercially sold

Release window

Jan 1, 2009

Current status

Active

Italian Institute of Technology

Last verified

Feb 24, 2026

Technical overview

Core specifications and system stack

A fast read on the mechanical profile, sensing package, and platform integrations behind iCub.

Technical Specifications

Height

104cm

Weight

22kg

Battery Life

N/A (tethered — external power via umbilical cable)

Max Speed

Not disclosed

Operational profile

How this robot is configured

Capabilities

9

Connectivity

2

Key capabilities

Bipedal WalkingCrawlingObject GraspingFacial Expressions (LED-based)Force-Controlled ManipulationCollision AvoidanceArchery (learned via reinforcement learning)Visual Tracking

Ecosystem fit

YARPROSLinuxOpen-source (GPL)

About the iCub

7Sensors2Protocols9Capabilities

The iCub is a Research robot built by Italian Institute of Technology. iCub is an open-source humanoid robot designed for research into embodied cognition and artificial intelligence. Built by the Italian Institute of Technology (IIT) in Genoa, it's the size of a 3.5-year-old child at 104 cm tall. Over 40 units are in use at research labs across Europe, the US, Korea, Singapore, China, and Japan. The hardware and software are fully open-source under GPL. It has 53 degrees of freedom, stereo vision cameras, microphones, and an optional full-body tactile skin. It can crawl, walk, sit, grasp objects, make facial expressions, and learn from interaction — making it one of the most capable research humanoids in the world.

Pricing has not been publicly disclosed. See all Italian Institute of Technology robots on the Italian Institute of Technology page.

Spec Breakdown

Detailed specifications for the iCub

Height

104cm

At 104cm, the iCub is sized for its intended operating environment and use cases.

Weight

22kg

Weighing 22kg, the iCub balances structural integrity with portability and maneuverability.

Battery Life

N/A (tethered — external power via umbilical cable)

With a battery life of N/A (tethered — external power via umbilical cable), the iCub can operate for sustained periods before requiring a recharge. Battery life is measured under typical operating conditions and may vary based on workload intensity and environmental factors.

Charging Time

N/A

A charging time of N/A means the ratio of operation to downtime is an important consideration for applications requiring near-continuous availability. Some deployments use multiple robots in rotation to maintain uninterrupted service.

The iCub uses YARP middleware + open-source ML frameworks as its intelligence backbone. This AI platform powers the robot's decision-making, perception processing, and autonomous behavior. The sophistication of the AI stack directly impacts how well the robot handles unexpected situations and adapts to new environments.

iCub Sensor Suite

The iCub integrates 7 sensor types, forming the perceptual foundation that enables autonomous operation.

This sensor configuration enables the iCub to perceive its environment and operate autonomously in its intended use cases. Multiple sensor modalities provide redundancy and more robust perception than any single sensor type alone.

Explore sensor technologies: components glossary · full components directory

iCub Use Cases & Applications

Research robots serve as platforms for advancing robotics science and engineering. They enable researchers to test theories about locomotion, manipulation, perception, and human-robot interaction in controlled and real-world environments.

Capabilities That Enable Real-World Use

The iCub offers 9 distinct capabilities, each contributing to the robot's practical utility.

Bipedal Walking
Crawling
Object Grasping
Facial Expressions (LED-based)
Force-Controlled Manipulation
Collision Avoidance
Archery (learned via reinforcement learning)
Visual Tracking
Embodied Cognition Research

These capabilities work together with the robot's 7 onboard sensor types and YARP middleware + open-source ML frameworks AI platform to deliver practical, real-world performance.

Ecosystem Integration

The iCub integrates with the following platforms and ecosystems, extending its utility beyond standalone operation.

YARP ROS Linux Open-source (GPL)

This ecosystem compatibility enables the iCub to work as part of a broader automation setup rather than operating in isolation.

iCub Capabilities

9

Capabilities

7

Sensor Types

AI

YARP middleware + open-sourc…

Bipedal Walking
Crawling
Object Grasping
Facial Expressions (LED-based)
Force-Controlled Manipulation
Collision Avoidance
Archery (learned via reinforcement learning)
Visual Tracking
Embodied Cognition Research

Connectivity & Integration

How the iCub communicates with your network, smart home devices, cloud services, and companion apps.

Network & Communication Protocols

Network protocols for device communication — enabling the iCub to participate in various networking scenarios.

iCub Technology Stack Overview

The iCub by Italian Institute of Technology integrates 10 distinct technology components across sensing, connectivity, intelligence, and interaction layers. The physical platform features a height of 104cm, a weight of 22kg, providing the foundation on which this technology stack operates.

Perception — 7 Sensor Types

The perception layer is built on Stereo Cameras, Microphones, Hall-Effect Joint Sensors, Force/Torque Sensors, Tactile Skin (capacitive), Gyroscope, Accelerometer. These work in concert to give the robot a detailed understanding of its operating environment. This multi-sensor approach provides redundancy and enables the robot to function reliably even when individual sensors encounter challenging conditions such as low light, reflective surfaces, or cluttered spaces.

Connectivity — 2 Protocols

For communications, the iCub relies on Gigabit Ethernet, CANBus (internal). This connectivity stack ensures the robot can communicate with cloud services, local smart home devices, mobile apps, and other networked systems in its environment.

Intelligence — YARP middleware + open-source ML frameworks

YARP middleware + open-source ML frameworks serves as the computational brain, processing sensor data, making navigation decisions, and orchestrating the robot's autonomous behaviors. The quality of this AI platform directly influences how well the robot handles novel situations, adapts to changes in its environment, and improves its performance over time through learning.

Who Should Consider the iCub?

Target Audience

Research robots are acquired by universities, government labs, and corporate R&D departments. They serve as experimental platforms for developing new algorithms, testing locomotion strategies, and advancing the field of robotics. Some are also used for educational purposes.

Key Considerations

Open-source software compatibility (ROS/ROS 2), sensor modularity, programmability, available SDK/API quality, community support, and published research papers using the platform are key factors. Documentation quality and the ability to modify both hardware and software are essential for research use.

Pricing

iCub does not currently have publicly listed pricing. Contact Italian Institute of Technology directly for quotes and availability information.

Availability

Active

The iCub has a status of Active. Check with Italian Institute of Technology for the latest availability details.

iCub: Strengths & Trade-offs

Engineering compromises and where this research robot excels

What the iCub does well

Extensive sensor suite

With 7 sensor types onboard, the iCub has one of the more comprehensive perception systems in the research category. This multi-modal approach enables robust environmental awareness, redundant obstacle detection, and reliable autonomous operation even in challenging conditions. More sensor diversity generally translates to better real-world adaptability.

Broad capability set

With 9 distinct capabilities, the iCub is designed as a versatile platform rather than a single-task device. This breadth means the robot can handle varied scenarios and workflows, reducing the need for multiple specialized robots and increasing its utility across different situations.

What to consider carefully

Undisclosed pricing

Italian Institute of Technology has not published a public price for the iCub. While common for enterprise-class robotics, the absence of transparent pricing can complicate budgeting and comparison shopping. Prospective buyers will need to engage directly with the manufacturer for quotes, which may vary by configuration and volume.

Note: This strengths and trade-offs assessment is based on the iCub's documented specifications as tracked in the ui44 database. Real-world performance depends on deployment conditions, firmware maturity, and environmental factors. For the most current information, check the Italian Institute of Technology manufacturer page or visit the official product page. Use the comparison tool to evaluate these trade-offs against competing robots in the same category.

How Research Robot Technology Works

Understanding the engineering behind this category

Research robots serve a fundamentally different purpose than commercial or consumer models. They are platforms for discovery — enabling scientists and engineers to test theories, develop algorithms, and push the boundaries of what robots can do. The technology in research robots prioritizes openness, flexibility, and access to raw data over consumer-friendly packaging or commercial reliability. Understanding this distinction is important for anyone considering a research robot platform.

Navigation & Mobility

Research robots typically expose their navigation systems at a much lower level than commercial products. Researchers can access raw sensor data, modify SLAM algorithms, implement custom path planners, and test novel navigation approaches. ROS (Robot Operating System) and ROS 2 compatibility is standard, providing a common framework for sharing navigation modules across the research community. This openness enables rapid iteration — a researcher can swap between different SLAM implementations, test new obstacle avoidance strategies, or develop entirely novel navigation paradigms without being locked into a vendor's proprietary stack.

The Role of AI

Research robots serve as physical testbeds for AI algorithms that may eventually appear in commercial products years later. Reinforcement learning, imitation learning, few-shot task learning, and human-robot interaction studies all require robot platforms that can execute AI-generated commands in the physical world. The gap between simulation (where training is cheap and fast) and reality (where physics is unforgiving) makes physical robot platforms essential for validating AI approaches. Research robots must support rapid deployment of new AI models without extensive integration work.

Sensor Fusion & Perception

Research platforms prioritize sensor modularity and data access. Standard mounting interfaces allow researchers to attach custom sensors alongside built-in ones. Raw sensor data streams (not just processed results) are accessible for developing novel perception algorithms. Precise time-stamping and synchronization across sensor streams enable accurate multi-modal fusion research. Many research robots include more sensors than strictly necessary for any single application, providing researchers with rich datasets for developing and testing new algorithms.

Power & Battery Management

Research robots balance operational runtime with practical lab use. Sessions of one to four hours are typical, with quick charging between experiments. Some research setups use tethered power for long-running experiments where battery limitations would interrupt data collection. Power monitoring and logging capabilities help researchers understand the energy costs of different behaviors and algorithms — important for developing efficient approaches that will eventually run on battery-constrained commercial systems.

Safety by Design

Research environments present unique safety challenges because robots are constantly being programmed with untested behaviors. Hardware safety limits (joint speed caps, force limits, emergency stops) must be robust regardless of software commands. Safety-rated monitored stop and speed monitoring ensure the robot cannot exceed safe operating parameters even when running experimental code. Collaborative operation standards apply when researchers work alongside the robot during experiments. Many labs implement layered safety with physical barriers for high-speed testing and open-area operation restricted to validated, lower-risk behaviors.

What's Next for Research Robots

Research robot platforms are becoming more accessible and capable. Cloud robotics enables remote experiment execution and shared datasets. Digital twins and high-fidelity simulators reduce the need for physical hardware time while improving sim-to-real transfer. Standardized benchmarks and open datasets enable fair comparison of results across labs. The democratization of robotics research — through lower-cost platforms, open-source software, and cloud infrastructure — is expanding who can contribute to advancing the field.

The iCub by Italian Institute of Technology incorporates many of these technology pillars. For a detailed look at the specific sensors and components used in the iCub, see the sensor analysis and connectivity sections above, or browse the complete components glossary for explanations of every technology used across the robotics industry.

iCub in the Research Market

How this robot compares in the research landscape

Italian Institute of Technology has not publicly disclosed pricing for the iCub, which is typical for enterprise-focused robotics platforms that offer customized solutions and direct-sales relationships.

With 7 sensor types, the iCub has an extensive sensor suite. This comprehensive sensing capability places it among the more perception-capable robots in the research category, enabling more robust autonomous operation in varied conditions.

Being currently available for purchase gives the iCub a practical advantage over competitors still in development or prototype stages. Buyers can evaluate the actual product rather than relying on spec-sheet promises that may change before release.

Head-to-Head Comparisons

Side-by-side specs, capability overlap analysis, and key differentiators.

For the full picture of Italian Institute of Technology's portfolio and market strategy, visit the Italian Institute of Technology manufacturer page.

Owning the iCub: Setup, Maintenance & Tips

Practical guide from day one through years of ownership

Initial Setup

Research robot setup combines hardware assembly with software environment configuration. Unpack and assemble the platform following the manufacturer's documentation. Install the development framework — typically ROS or ROS 2 — and verify sensor connectivity. Calibrate all sensors using the manufacturer's tools and procedures. Set up the simulation environment (Gazebo, Isaac Sim, or equivalent) alongside the physical platform for parallel development. Establish version control for your experiment code and configuration. Document the initial calibration values and system state as your baseline for future reference. Plan network and computing infrastructure to handle the data rates your sensors will generate.

Ongoing Maintenance

Research robots need maintenance that preserves the precision required for valid experimental results. Regularly verify sensor calibration — drift in camera intrinsics or IMU biases can invalidate experiment data. Maintain clean workspace conditions to protect optical sensors. Document any hardware modifications or maintenance performed, as these can affect experimental reproducibility. Update software dependencies carefully, documenting versions used for each experiment. Joint and actuator wear in research robots that perform repetitive tasks should be monitored and factored into experimental design.

Software Updates & Long-Term Support

Research robot software updates require careful management to maintain experiment reproducibility. Document the exact software versions used for each experiment. Test updates in a separate environment before applying to your experiment platform. Contribute bug fixes and improvements back to the community when using open-source frameworks. Be aware that ROS and other framework updates may require code changes in your custom packages — budget time for integration testing after major framework updates.

Maximizing Longevity

Research robots often have longer productive lives than commercial products because they can be upgraded and repurposed. Extend your investment by maintaining clean mechanical and electrical systems, documenting all modifications for future lab members, and keeping spare parts for common wear items. When specific components become obsolete, community forums and lab networks can be valuable sources for replacements. Consider the platform's modularity when planning future research directions — a platform that can accept new sensors and actuators adapts to evolving research questions.

For Italian Institute of Technology-specific support resources and documentation, visit the Italian Institute of Technology page on ui44 or check the manufacturer's official website at Italian Institute of Technology's product page.

Frequently Asked Questions

What is the iCub?
The iCub is a Research robot made by Italian Institute of Technology. iCub is an open-source humanoid robot designed for research into embodied cognition and artificial intelligence. Built by the Italian Institute of Technology (IIT) in Genoa, it's the size of a 3.5-year-old child at 104 cm tall. Over 40 units are in use at research labs across Europe, the US, Korea, Singapore, China, and Japan. The hardware and software are fully open-source under GPL. It has 53 degrees of freedom, stereo vision cameras, microphones, and an optional full-body tactile skin. It can crawl, walk, sit, grasp objects, make facial expressions, and learn from interaction — making it one of the most capable research humanoids in the world. It features 7 sensor types, 2 connectivity protocols, and 9 distinct capabilities.
How much does the iCub cost?
Italian Institute of Technology has not disclosed public pricing for the iCub. Contact the manufacturer directly for pricing information. Research platform — not commercially sold
Is the iCub available to buy?
The iCub currently has a status of Active. Check with Italian Institute of Technology for the latest availability.
What sensors does the iCub have?
The iCub is equipped with 7 sensor types: Stereo Cameras, Microphones, Hall-Effect Joint Sensors, Force/Torque Sensors, Tactile Skin (capacitive), Gyroscope, Accelerometer. These sensors work together through sensor fusion to provide comprehensive environmental awareness for autonomous operation. See the sensor analysis section for details.
How long does the iCub battery last?
The iCub has a rated battery life of N/A (tethered — external power via umbilical cable) and charges in N/A. Actual battery performance may vary based on usage intensity, ambient temperature, and specific tasks being performed. Heavy workloads like continuous navigation and sensor processing will consume battery faster than idle or standby modes.
What AI does the iCub use?
The iCub is powered by YARP middleware + open-source ML frameworks. This AI platform handles the robot's perception processing, decision-making, and autonomous behavior. The sophistication of the AI directly impacts how well the robot handles unexpected situations, learns from its environment, and improves over time.
How does the iCub compare to the REEM-C?
The iCub and REEM-C are both research robots, but they differ in key specifications, pricing, and manufacturer approach. Use the side-by-side comparison tool to see detailed differences in specs, sensors, and capabilities. You can also browse other similar robots below.
Does the iCub work with smart home systems?
Yes, the iCub is compatible with: YARP, ROS, Linux, Open-source (GPL). This ecosystem integration allows the robot to work alongside your existing smart home devices and platforms rather than operating as an isolated system.
How current is the iCub data on ui44?
The iCub specifications on ui44 were last verified on 2026-02-24. All data is sourced from official Italian Institute of Technology documentation, spec sheets, and press releases. If you notice any outdated information, please let us know.

Data Integrity

All iCub data on ui44 is verified against official Italian Institute of Technology sources, including spec sheets, product pages, and press releases. Last verified: 2026-02-24. Official source: Italian Institute of Technology product page. If you find outdated or incorrect information, please let us know — accuracy is our top priority.

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