Hanson Robotics Sophia (Sophia)

Most humanoid robots are judged by what their hands can lift or how far their legs can carry them. The Hanson Robotics Sophia (Sophia) asks to be judged by something harder to measure: whether the person standing opposite it holds its gaze, answers its questions and forgets, for a moment, that they are talking to a machine. Built around an expressive face, a patented artificial skin and a software stack devoted to perception and conversation, Sophia is a social humanoid designed for research, education and entertainment. It is also a robot that invites people to argue about what artificial intelligence should become.

Robots Europa, based in Dublin, supplies Sophia to universities, research institutes, museums, event organisers and companies across the EU and the DACH region. Robots Europa prepares each quotation, advises on the configuration and version, and coordinates delivery, import formalities and after-sales support for customers throughout Europe.

Background

Hanson Robotics and the origins of Sophia

Hanson Robotics is a Hong Kong–based robotics company founded in 2013 by an American roboticist who serves as its chief executive. The company developed Sophia in 2016, and the robot quickly became its best-known creation and one of the most photographed machines of the decade. The sources name three versions: the original Sophia of 2016, Sophia 2020 and Little Sophia. Each reflects the same idea of a character robot that people respond to socially rather than treat as a tool.

Where industrial humanoid programmes concentrate on legs, grippers and load handling, Hanson Robotics has concentrated on the human face and on the subtle cues that make an exchange feel like a conversation. Sophia is the most complete expression of that focus, and its public appearances have helped to make social robotics and the ethics of artificial intelligence topics of mainstream debate.

A face as the core technology

Sophia is created to have a human-sized look with a genuinely human-like expressive face. The face is covered in Frubber, the company's patented actuated skin, which moves with the mechanisms beneath it to form expressions. Skin tone, facial design, language and arm colours are configurable, so an institution can present the robot in a way that suits its audience and its setting.

Behind the face sits the Hanson AI SDK. It controls Sophia's AI-based perception, natural language processing algorithms, open domain chat, non-verbal language, low-level sensory input and actuation controls. Speech synthesis is provided by CereProc's text-to-speech engine, which also allows Sophia to sing. Together, the skin, the mechanics and the software turn a set of sensors and motors into something an audience reads as a personality.

Technical Specifications

Specifications are as published by the manufacturer and are confirmed against the datasheet at quotation. The manufacturer has not published the battery runtime, the charging time, the IP rating, the operating temperature range, the supported languages, the box contents or a maximum walking speed; these are confirmed at quotation.

What makes Sophia different from an industrial humanoid?

The distribution of Sophia's degrees of freedom tells the story. Of the 83 listed in the specification table, 36 are in the head and neck, more than in both arms and hands combined. An industrial humanoid spends its mechanical budget on joints that carry loads and keep a walking body balanced; Sophia spends a large share of hers on the face, because the face is where a social robot does its work.

The hands make the same point from the other direction. Each one has a payload capacity of 600 grams, which suits gesturing, holding a light object for a demonstration or shaking a hand, not lifting cartons on a production line. Mobility follows the same logic: instead of legs, Sophia stands on one of three distinct rolling base options, including a self-navigating one, so the robot can be positioned on a stage, in a laboratory or on an exhibition floor without the complexity of bipedal walking.

The materials list reflects a machine built to be seen at close range. Frubber gives the face its movement, while carbon fibre, CNC aluminium, steel, Spectra fibre, Delrin thermoplastic, acrylic, polycarbonate and 3D-printed parts form the structure beneath. The result is a robot whose value lies in interaction, presence and expression rather than in force or speed.

How does Sophia perceive and respond to people?

Sophia can follow faces, sustain eye contact and recognise individuals, the three behaviours that most strongly signal attention in a human conversation. An audio localisation array helps the robot work out where a voice is coming from, and an inertial measurement unit gives it a sense of its own orientation and movement.

The Hanson AI SDK ties these inputs together. It handles perception, natural language processing and open domain chat, and it coordinates non-verbal language with the actuation of the face and body, so that a spoken answer arrives with a matching expression or gesture. CereProc's text-to-speech engine gives Sophia her voice and the ability to sing. On the computing side, a 3 GHz Intel i7 with 32 GB RAM and an integrated GPU runs Ubuntu Linux, with Ethernet and Wi-Fi for connectivity, which gives research teams a familiar environment to work in.

Who is Sophia for?

Research groups working on human-robot interaction are the most natural buyers. Sophia gives them a platform on which questions about trust, empathy, gaze and conversational behaviour can be studied with a robot that people genuinely respond to, and a Linux-based computing environment that researchers can build upon.

Universities and schools use social humanoids to teach artificial intelligence, robotics and ethics in a way that a screen cannot. A robot that answers questions in a lecture theatre turns an abstract curriculum into a live demonstration, and it starts the kind of debate that Sophia was designed to encourage.

Museums, science centres, exhibition organisers and the entertainment sector form the third group. For them, Sophia's configurable appearance, expressive face and singing voice make the robot a centrepiece that draws and holds an audience. Companies presenting their work on artificial intelligence at conferences and trade fairs use a social humanoid in a similar way.

The three named versions are Sophia, Sophia 2020 and Little Sophia, and Robots Europa advises on which of them best fits a given project. Buyers whose application calls for load handling or industrial tasks will find other platforms in our Shop.

What is Sophia used for?

1. Human-robot interaction research: studying how people respond to gaze, expression and conversation with a humanoid.
2. Teaching artificial intelligence: giving students a live, conversational example of perception and language processing.
3. Debate on AI ethics: anchoring public discussions about the societal impact of robotics and artificial intelligence.
4. Museums and science centres: serving as an exhibit that visitors can talk to rather than simply look at.
5. Conferences and trade fairs: presenting an organisation's work on artificial intelligence with a recognisable social robot.
6. Entertainment and performance: appearing on stage, in media productions and in performances that use her singing voice.

Pricing and Availability

Sophia is supplied on quotation. Each project differs in version, appearance, mobile base and software requirements, so Robots Europa prepares an individual offer once the intended use and configuration are known. Delivery, customs and support are arranged with the quotation. To begin, send your project details using the quotation request available on this page.

Frequently Asked Questions

Who developed Sophia?

Sophia was developed in 2016 by Hanson Robotics, a Hong Kong–based robotics company founded in 2013.

How tall is Sophia and how much does she weigh?

Sophia is 167 cm tall and 41 cm wide, and weighs 20 kg.

Can Sophia walk?

Sophia moves on a rolling base rather than legs, with three distinct base options including self-navigation.

How is Sophia powered?

Sophia runs from a 110/220-V power supply or a 24-V lithium-polymer battery.

What software does Sophia use?

The Hanson AI SDK controls perception, natural language processing, open domain chat, non-verbal language, sensory input and actuation, running on Ubuntu Linux. Speech is provided by CereProc's text-to-speech engine.

Can Sophia's appearance be customised?

Yes. Skin tone, facial design, language and arm colours are configurable, and the details are agreed with Robots Europa when the order is specified.

Where can I buy Hanson Robotics Sophia and what does it cost?

Robots Europa supplies Sophia across the EU and the DACH region. The cost depends on the version and configuration, so request a quotation on this page to receive an individual offer.

Summary

Sophia reverses the usual measure of a humanoid. Her mechanics are concentrated in the head and neck, her hands are built for gesture rather than load, and her software is devoted to faces, voices and conversation. Frubber skin, a configurable appearance, an audio localisation array and the Hanson AI SDK combine into a robot whose real specification is the attention it earns from the people around it. For research groups, educators, museums and organisations that want to put human-robot interaction in front of an audience, and want Robots Europa to handle supply across Europe, this page is the starting point.