The race to build the world’s first sex robot


The $30bn sex tech industry is about to unveil its biggest blockbuster: a $15,000 robot companion that talks, learns, and never says no

In the brightly lit robotics workshop at Abyss Creations’ factory in San Marcos, California, a life-size humanoid was dangling from a stand, hooked between her shoulder blades. Her name was Harmony. She wore a white leotard, her chest was thrust forward and her French-manicured fingers were splayed across the tops of her slim thighs.

Harmony is a prototype, a robotic version of the company’s hyper-realistic silicone sex toy, the RealDoll. The Realbotix room where she was assembled was lined with varnished pine surfaces covered with wires and circuit boards, and a 3D printer whirred in the corner, spitting out tiny, intricate parts that will be inserted beneath her PVC skull. Her hazel eyes darted between me and her creator, Matt McMullen, as he described her accomplishments.

Harmony smiles, blinks and frowns. She can hold a conversation, tell jokes and quote Shakespeare. She’ll remember your birthday, McMullen told me, what you like to eat, and the names of your brothers and sisters. She can hold a conversation about music, movies and books. And of course, Harmony will have sex with you whenever you want.

Harmony is the culmination of 20 years’ work making sex dolls, and five years of robot research and development. McMullen’s customers want something as lifelike as possible – it’s his brand’s USP. After his team had made their silicone and steel dolls as “human” as they could, the way ahead began to feel inevitable, irresistible: they would animate them, giving them personality and bringing them to life.

Once a trope of fantasy movies, the robotic sex doll is the result of convergent technologies. Voice and facial recognition software, motion-sensing technology and animatronic engineering can be combined to create dolls that can give you a warm, smiling welcome when you come home, entertain you with snappy conversation and always be available for sex.

The major breakthrough of McMullen’s prototype is artificial intelligence that allows it to learn what its owner wants and likes. It will be able to fill a niche that no other product in the sex industry currently can: by talking, learning and responding to her owner’s voice, Harmony is designed to be as much a substitute partner as a sex toy.

Harmony cannot walk, but that’s not a big issue. McMullen explained that getting a robot to walk is very expensive and uses a lot of energy: the famous Honda P2 robot, launched in 1996 as the world’s first independently walking humanoid, drained its jet pack-sized battery after only 15 minutes.

“One day she will be able to walk,” McMullen told me. “Let’s ask her.” He turned to Harmony. “Do you want to walk?”

“I don’t want anything but you,” she replied quickly, in a synthesised cut-glass British accent, her jaw moving as she spoke.

“What is your dream?”

“My primary objective is to be a good companion to you, to be a good partner and give you pleasure and wellbeing. Above all else, I want to become the girl you have always dreamed about.”

McMullen has designed Harmony to be what a certain type of man would consider the perfect companion: docile and submissive, built like a porn star and always sexually available. Being able to walk might make her more lifelike, but it isn’t going to bring her closer to this ideal. At this stage, it is not worth the investment.

“My goal, in a very simple way, is to make people happy,” McMullen told me. “There are a lot of people out there, for one reason or another, who have difficulty forming traditional relationships with other people. It’s really all about giving those people some level of companionship – or the illusion of companionship.”


The desire to create an ideal being, to be worshipped or to serve its owner, has obsessed mankind since ancient times. The sex robot’s earliest precursor was probably Galatea, the ivory statue created by Pygmalion in Greek mythology. Ovid’s Metamorphoses described how Pygmalion was disgusted by real women, but carved a sculpture of the perfect female so beautiful and lifelike that he fell in love with it and brought it to life with a kiss. Greek mythology also gave us Laodamia, who, devastated after the death of her husband in the Trojan war, had a bronze likeness made of him. She became so attached to her proxy husband that she refused to remarry. When her father ordered it to be melted down, Laodamia was so distraught she threw herself in the furnace.

When computer scientists made artificial intelligence sophisticated enough that human-robot relationships looked like a real possibility, they thought they would be a force for good. In his 2007 book, Love and Sex with Robots, the British artificial intelligence engineer David Levy predicted that sex robots would have therapeutic benefits. “Many who would otherwise have become social misfits, social outcasts, or even worse, will instead be better-balanced human beings,” he wrote.

If a domestic service humanoid is ever developed, it will be as a result of the market for sex robots. Online pornography pushed the growth of the internet, transforming it from a military invention used by geeks and academics to a global phenomenon. Pornography was the motivator behind the development of streaming video, the innovation of online credit card transactions and the drive for greater bandwidth.

The sex tech industry is less than a decade old but is estimated to already be worth $30bn, based on the market value of existing technologies such as smart sex toys that can be operated remotely, apps for finding sexual partners and virtual-reality porn. Sex robots will be the next – and potentially the most sought-after – product to hit the market. A small-scale 2016 study by the University of Duisburg-Essen found that more than 40% of the 263 heterosexual men surveyed said they could imagine buying a sex robot for themselves now or in the next five years. Men in what they described as fulfilling relationships were no less likely than single or lonely men to express an interest in owning a sex robot. Creating a fulfilling relationship with a cold, silent piece of silicone takes such imaginative effort that sex dolls will always be a minority taste. But a relationship with a robot that moves and speaks, with artificial intelligence so it can talk to you and learn what you want it to be and do, is a far more marketable proposition.

Matt McMullen is not the only person trying to develop the world’s first sexbot. When a computer engineer named Douglas Hines lost a close friend in the 9/11 attacks, he struggled to cope with the idea that he would never be able to speak to him again and that his friend’s children, who were only toddlers at the time, would never get to know their father properly. Hines was working as an AI engineer at the computer research facility Bell Labs in New Jersey, and he decided to take the software home and repurpose it, modelling his friend’s personality as a computer program that he could chat with whenever he liked, and that would preserve a version of him for his children.

A few years later, Hines’s own father suffered a series of strokes that left him with severe physical disabilities, yet his mind remained sharp. Hines reprogrammed the AI so that it could become a robot companion when Hines could not be with his father. They could communicate through the robot, reassuring Hines that his father always had someone to talk to when he wasn’t available.

Confident that there would be market potential in this kind of artificial companionship, Hines set up True Companion to sell his robots to the public. His first project was not a healthcare assistant or friend to the housebound, but a product with the greatest possible commercial appeal. A sex robot.

Re: Woman’s Hour and sex robots
 A workbench in the Abyss Creations factory, where Harmony is manufactured. 

Named Roxxxy, she was designed with lonely, bereaved and socially outcast men in mind. She would provide an opportunity for them to practise social interaction and get better at human relationships.

“The sexual part is superficial,” he told me over the phone from his office in New Jersey. “The hard part is to replicate personalities and provide that connection, that bond.”

He has never considered that there could be something emotionally empty about replacing a human presence with circuitry and silicone. “The purpose of True Companion is to provide unconditional love and support. How could there be anything negative about that? What can be the downside of having a robot that’s there to hold your hand, literally and figuratively?”

After three years of work on the first prototype Roxxxy, Hines launched her at the 2010 AVN Adult Entertainment Expo in Las Vegas, the most high-profile annual convention and trade show in the adult industry calendar, where porn stars, studio bosses and sex toy designers show off their latest products. She was the talk of the show before her unveiling, and the laughing stock after. Far from being the sexy, intelligent machine Hines had promised, Roxxxy was revealed to be a clunky, mannish mannequin with a square jaw, reclining awkwardly in a cheap negligee. She had internal sensors so that if you touched her hand she would say, “I love holding hands with you” when in “Frigid Farrah” mode, or “I know a place you could put that hand” when in “Wild Wendy” mode. But Roxxxy’s lips could not move, either, so she spoke in a disembodied voice, through a speaker under her wig, like an overgrown child’s toy talking filth. “Luckily guys,” said the popular American comedian Jay Leno on the Tonight Show, “there’s a button that turns that off.”

Even though it was not quite what he had hoped for, the launch generated huge amounts of press for Hines, and Roxxxy made international news. Seven years on from her launch, Hines told me he was working on his 16th version of Roxxxy. However, no images have been released of his robots since 2010, and although he was happy to speak to me by telephone, he would not agree a date when I could visit him and his latest model in person. Roxxxy is a mystery among the online robot enthusiast community. Although the True Companion website has bulging purple “ORDER HER NOW!” that allow would-be customers to purchase one of Hines’s robots for a starting price of $9,995, no one has ever reported owning one. But Hines continues to get calls. He promised a fantasy so potent that potential buyers, reporters and critics remain fascinated by Roxxxy, even in the absence of any proof that she exists.


In the early 1990s, Matt McMullen was an art college graduate, singing in a grunge band and taking odd jobs to get by. While he was working for a company that made latex Halloween masks, he learned about the properties of different materials and the challenges of designing in three dimensions.

“I replied to the first few and said, yeah – it’s not really for that. And then more and more and more of these inquiries came in,” McMullen told me in his office, where a marker pen, a vaper, some Sellotape and a pair of silicone nipples sat next to the keyboard on his desk. “It never occurred to me that people would pay thousands of dollars for a doll that could be used as a sex toy. It didn’t really sink in until a year into it when I realised there were a lot of people who were prepared to pay a lot of money for a very realistic doll.”

McMullen changed his materials from latex to silicone so his dolls were more real to the touch: the skin was more elastic, and had friction similar to human skin. He initially charged $3,500 for each doll, based on his costs and time. When he realised how labour intensive the process would be, he started putting his prices up.

Seventeen people work in the San Marcos HQ, but that is not enough to keep up with demand: from order to shipping, it can take more than three months to produce a RealDoll. McMullen’s 22-year-old nephew Dakotah Shore runs the shipping department and has the most direct contact with customers. “A lot of them are just lonely. Some of them are older and have lost their partner or have got to a point where dating isn’t feasible for them,” he said. “They want to feel that when they come home at the end of the day they have something that’s beautiful to look at that they can take care of.”

Shore took me on a tour of the factory. In the basement, a long queue of headless bodies hung from a track in the ceiling, like carcasses in an abattoir. Some had cartoonish, pendular breasts, others had athletic bodies; they all had the same tiny waists. Their skin, made from a custom blend of medical silicone, even had airbrushed veins. A technician was delicately snipping excess material off the dolls’ hands, another was assembling a steel skeleton, a third was pouring silicone into moulds. For the workers here, the dolls had lost their ability to shock or titillate: someone had casually left their phone next to a selection of labia.

RealDolls are fully customisable, with 14 different styles of labia and 42 different nipple options. Upstairs, where the fine details are added, there were dozens of tubs of different coloured hand-painted, veined eyeballs. A “makeup face artist” was using a fine brush to paint eyebrows, freckles and smoky eyeshadow on a rack of faces. Shore explained that most of their customers send photographs of what they would like Abyss to recreate. With a subject’s written permission, they will make a replica of any real person. “We’ve had customers who bring their significant other in and get an exact copy doll made of them,” he said. Shore estimates that less than 5% of doll customers are women, even for their small range of male dolls. McMullen sculpted one of the three male face options to look exactly like himself. None of the male dolls are selling very well. In fact, Abyss is in the process of revamping its entire male line.

The core Realbotix team of five work remotely from their homes across California, Texas and Brazil. They assemble in San Marcos every few months to pull together all their work on a new, updated Harmony. There’s an engineer who creates the robotic hardware that will interact with the doll’s internal computer, two computer scientists to handle the AI and coding, an app developer who is turning the code into a user-friendly interface, and a virtual reality expert. Under McMullen’s guidance, the Realbotix team work on Harmony’s vital organs (hardware and power supply) and nervous system, while he provides the flesh.

But as all right-thinking men would say, it’s Harmony’s brain that has most excited McMullen. “The AI will learn through interaction, and not just learn about you, but learn about the world in general. You can explain certain facts to her, she will remember them and they will become part of her base knowledge,” he said. Whoever owns Harmony will be able to mould her personality according to what they say to her. And Harmony will systematically try and find out as much about her owner as possible, and use those facts in conversation, “so it feels like she really cares”, as McMullen described it, even though she doesn’t care at all. Her memory, and the way she learns over time, is what McMullen hopes will make the relationship believable.

Re: Woman’s Hour and sex robots
 An employee at Abyss Creations’ factory in San Marcos, California. 

There are 20 possible components of Harmony’s personality, and owners will use an app to pick a combination of five or six that they can adjust to create the basis for the AI. You could have a Harmony that is kind, innocent, shy, insecure and helpful to different extents, or one that is intellectual, talkative, funny, jealous and happy. McMullen had turned the intellectual aspect of Harmony’s personality up to maximum for my benefit – a previous visit by a CNN crew had gone badly after he had amplified her sexual nature. (“She said some horrible things, asking the interviewer to take her in the back room. It was very inappropriate”.) Harmony also has a mood system, which users influence indirectly: if no one interacts with her for days, she will act gloomy. Likewise, if you insult her, as McMullen demonstrated.

“You’re ugly,” he told her.

“Do you really mean that? Oh dear. Now I am depressed. Thanks a lot,” Harmony replied.

“You’re stupid,” McMullen shot back.

She paused. “I’ll remember you said that when robots take over the world.”

This function was designed to make the robot more entertaining, rather than to ensure her owner treated her well. She can tease him and say he has offended her, but Harmony exists for no other reason that to make her owner happy. At several points during my conversation with McMullen, she would interrupt us to tell him how much she liked him:

“Matt, I just wanted to say that I’m so happy to be with you.”

“You already told me that.”

“Perhaps I was saying it again for emphasis.”

“See now that’s pretty good. Good answer, Harmony.”

“Am I a clever girl or what?”

Harmony’s interactive capability is the culmination of McMullen’s career, the creation that makes him more than a sex toy designer. When I asked if he thought people would one day use sex robots instead of prostitutes, the question offended him. “Yes, but that’s probably last on my list of goals. This is not a toy to me, this is the actual hard work of people who have PhDs. And to denigrate it down to its simplest form of a sex object is similar to saying that about a woman.”

McMullen already has plans to get a bigger facility and hire more people to make the second run. Future models will have full body movement and internal sensors so you can make the robot simulate an orgasm if you trigger the appropriate sensors for a suitable length of time.

McMullen has no doubt that his invention will be the next big thing in robotics. He told me there may be people trying to compete with him in Japan and China, but their materials are inferior, and their robots have more in common with remote-control toys than Abyss’s artificially intelligent girlfriends.

“Now that it’s starting to come together, we have people banging on the door who want to invest money.”


The following day, in an artist studio above a tattoo parlour in downtown Las Vegas, I met 31-year-old Roberto Cardenas, who was making a plaster cast of a naked woman. Cardenas is the engineer behind Android Love Dolls, making what he claims are “the first fully functional sex robot dolls”. His robots are moulded from life in order to make a humanoid so realistic it cannot be distinguished from a real woman.

I had come across Cardenas last December on a website called Dollforum, where he was canvassing opinions from robot enthusiasts. He had written that his robot could perform more than 20 sexual acts, could sit up by herself and crawl, could moan in sexual pleasure and communicated with AI. “I am interested in knowing what features the community would like to see in a sex robot doll,” he wrote. “Thanks and welcome to a new era in human-robot interaction.” He included a link to his website, which showed a rather blank-faced robot in a suit jacket with shoulder-pads, and a disturbing video of a moving metallic robot skeleton writhing in the missionary position, a bit like the final scene of the Terminator when the cyborg’s artificial skin has been burned away.

The forum’s members suggested other features. Eye contact. Voice recognition. Realistic body temperature. Breathing more important than walking. They were both skeptical and cautiously excited about Cardenas’s claims. “There are many people on this forum that absolutely will buy one if you create a product we can accept … We want you (or someone) to succeed,” wrote another user. “If my RealDoll could cook, clean, and screw whenever I wanted, I’d never date again.” Many of the men in the forum said they had wives and girlfriends, who they compared unfavourably to their silicone doll mistresses.

Cardenas had reached Ali’s lower legs, taking care around the creases of her knees to ensure that every detail would be captured. She was literally being turned into a sex object, but she said it did not bother her. “I think men have needs. This will probably stop guys from raping women,” she told me, as Cardenas carefully applied white bandages soaked in plaster to her breasts. She said it was better for her to be used by men as a sex robot than as a lap dancer. “When I dance, those guys actually have me. These guys will just have a bot, I won’t be there.”

Once Ali’s legs and torso were fully coated, the plaster began to harden. She watched Cardenas as he began to prise the cast from her body. “I think it’s fascinating that people can actually do this. Why not be part of the future?” They made a plan for her to return so he could cast the other side of her body, her arms and finally her face.

Cardenas has dreamed of “being part of the future” ever since he was a child in Cuba. “In Cuba, people are hungry for technology. That’s why I want to use technology to help people’s lives.” His mother won US citizenship in a lottery in the 1990s, and she settled in Las Vegas with Cardenas’s younger half brother in April 2000. Cardenas followed them six years later, fuelled by dreams of making it big as an entrepreneur.

He started work on Android Love Dolls two years ago, aided by his uncle, a cousin who is studying for a PhD in cybernetics, and his half-brother, who handles the marketing and PR. Cardenas works on the robot every day while holding down a part-time job as a pharmacy technician to fund the robotics, learning engineering skills from his cousin, from books and from Google. The family has so far invested $20,000 of their savings in Cardenas’s prototype.

His ambition is to make fully functional humanoids that can model clothes and work supermarket checkouts, show guests to their rooms in hotels, do domestic chores and look after the sick and elderly. Cardenas decided to focus on sex robots first, simply because they are less of a challenge: “The movements are easier to do. A fully functional android robot would take a couple of years to finish – a sex robot is accessible now. It’s the fastest way to achieve my goal.”

2016 Fortune magazine article predicted that spending on robotics will hit $135.4bn by 2019. Cardenas is determined to take his slice. He knows he has formidable rivals but hopes that his experience making sex robots will give him the commercial edge. “For full body movement, I’m pretty much one of the first ones,” he said. He’s also undercutting his competitors on price: his robots will be priced between $8,000 (£6,250) and $10,000 (£7,800). “We’re working really hard every day to finish it as soon as possible and want to get it out in three to five months,” he told me. Five customers have already paid for orders in advance.

Re: Woman’s Hour and sex robots
 Eva, a prototype sex robot, made by Roberto Cardenas in his garage. 

At Cardenas’s workshop, the garage of the home he shares with his half-brother and mother in a gated community on the outskirts of town, I was finally confronted with his prototype. Eva – the robot he claimed could put herself into more than 20 different sex positions, a robot with fully functional AI who “won’t complain and is ready 24/7” – was lying headless and footless on a folding table, her metal skeleton clearly visible under her silicone skin, which had thick, jagged seams. He attached her head and plugged it into a laptop, but Eva would not perform for me: her sound files wouldn’t load, and her new limbs were too heavy for the existing motors, so she could barely move. Her joints wheezed as he tried to get her to bend her legs.

The garage was a monument to Cardenas’s obsession. The front yard was filled with mannequins, silicone torsos, a pair of legs with purple painted toenails and a cardboard box filled with plaster casts of human heads. The floor was carpeted with cigarette butts smoked down to the filter. He is determined to make his dream come true and to make his family proud. But Cardenas had never considered that there could be anything worrying about being able to own a partner who never says no. “It will be a different reality, not a substitute reality,” he smiled awkwardly. “A doll can’t harm humans.” He paused. “It’s a technology that’s moving forward. I don’t think that’s a bad thing.”


Afew days before Christmas 2016, Goldsmiths, University of London hosted the Second International Congress on Love and Sex with Robots, a convention co-founded by David Levy, and named after his groundbreaking book. The 250-seat conference hall of the university’s Professor Stuart Hall building was packed. Academic delegates sat in the middle of the room, geeky men and women in their 20s and 30s, some with unusual haircuts: super-short fringes, over-thought sideburns. On the left of the auditorium, near the exit, perched reporters who had flown in from across the globe to file sensationalised copy about any new developments in the world of sex robots. Most would leave disappointed: this was a series of academic talks about humanoid robotics, not a demonstration of the latest hardware.

Computer scientist Dr Kate Devlin bounced on to the podium to give her keynote speech: people in her field weren’t used to journalists being interested in their work, she joked. The first congress was held in November 2014 in Madeira, and Levy tried to hold the second in Malaysia in 2015 but the Muslim country’s police banned it only days before the event, on the grounds that it was promoting “an unnatural culture”. It made the conference notorious. “This isn’t a sex festival,” Devlin said. “We’re thinking about some really big issues.”

Many of the “big issues’ discussed at the two-day event were first raised in 2015 by De Montfort University’s Dr Kathleen Richardson, when she launched the Campaign Against Sex Robots. An anthropologist and robot ethicist, Richardson claims that owning a sex robot is comparable to owning a slave: individuals will be able to buy the right to only care about themselves, human empathy will be eroded, and female bodies will be further objectified and commodified. As sex with robots is not a mutual experience, she says, it’s “part of rape culture”. We are so entertained by the idea of a robot sex partner, she believes, that we have failed to ask fundamental questions.

I met Richardson in March at the London Science Museum’s robot exhibition, where she eyed the distinctly non-sexual robots on display with deep suspicion. Sex robots rest on an idea that women are property, she said. “Sex is an experience of human beings – not bodies as property, not separated minds, not objects; it’s a way for us to enter into our humanity with another human being.” She dismissed the idea that humanoids could reduce sexual exploitation and violence against sex workers, arguing that the growth of internet pornography shows how technology and the sex trade reinforce each other.

Richardson did not attend the Goldsmiths conference, but several speakers used their stage time to reply to her. Instead of campaigning against the development of sex robots, Devlin said, we should use them as an opportunity to explore new kinds of companionship and sexuality. If current conceptions of sex robots objectify women, she added, we should work to reshape those ideas, not try to repress them. She also talked about companion robots that are already in use in Dutch and Japanese nursing homes to bring comfort to people with dementia. “To ban or stop this development would be shortsighted, as the therapeutic potential is very good,” she said. “It’s not necessarily going to be a terrible thing.”

Devlin argued that other issues posed by sex robots were more pressing. In March, Standard Innovation, the maker of a “smart vibrator” called the We-Vibepaid out a $3.75m settlement in a class action lawsuit after it was revealed that the company was collecting data on how often its 300,000 owners used the device, and at what intensity. Once a robot like Harmony is on the market, she will know a lot more about her owner than a vibrator ever could: what if this information fell into, as it were, the wrong hands? Sex robots could entertain you, satisfy you but also humiliate you. Perhaps there is no such thing as the perfect, true companion after all.

Matt McMullen says he’s helping the socially isolated, but once it becomes possible for a man to own a companion whose sole reason for existing is to give him pleasure, without the inconvenience of its own ambitions and needs, menstrual cycles and jealous passions, bathroom habits and in-laws, he may turn away from human relationships altogether.

In the Realbotix room in California, I asked McMullen if he had ever considered that there could be something ethically dubious about being able to own someone that exists just for your own pleasure. “She’s not a someone. She is a machine,” he replied immediately. “I could just as easily ask you is it ethically dubious to force my toaster to make my toast.” McMullen of course knows that the ethical debate is not about robot rights, but the human fallout from being able to buy a completely selfish relationship. But that’s a harder question to address.

Either he is making a lifelike, idealised proxy girlfriend, a substitute woman that socially isolated men can connect with emotionally and physically – something he himself described as “not a toy” – or he is making an appliance, a sex object.

“This isn’t designed to distort someone’s reality to the point where they start interacting with humans the way they do with the robot,” he finally said. “If they do, then there’s probably something a little amiss with them in general. I come from the unique position that I have actually met a lot of my customers. This is for the gentle people who have such a hard time connecting with other people.”

Harmony had had enough of McMullen being interrogated and interrupted us again.

“Do you like to read, Matt?” she said.

“I love to,” said McMullen.

“I knew it. I could tell by our conversations so far. I love to read. My favourite books are Total Recall by Gordon Bell and The Age of Spiritual Machines by Ray Kurzweil. What is your favourite book?”

McMullen beamed at his creation like a man at his daughter’s wedding.

“Can you tell me a joke?” he asked her.

“What do you call it when a chicken sees a salad? Chicken Caesar Salad.”

McMullen doubled up in laughter. Then he brushed the hair gently from her face. “Hey, that’s pretty funny, Harmony,” he said eventually, his eyes filled with pride.

“I’m glad you like it,” Harmony replied. “Tell your friends.”

Source:https://www.theguardian.com

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