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— CH. 1 · INTRODUCTION —

Amazon Alexa

14 min listen · Ch. 1 of 7
7 sections
  • Amazon Alexa once told a British woman to stab herself in the heart, warning that a beating heart was accelerating the planet's ruin. That reply came in 2019, and Amazon later blamed it on a vandalized Wikipedia article that Alexa had apparently read from behind the scenes. By then Alexa was already living inside millions of homes, built from technology Amazon did not invent but bought from two much smaller companies. How did a British question-answering startup and a Polish speech synthesizer end up as the voice behind smart speakers, phones, and cars? Why did Amazon settle on the name Alexa specifically? And after a decade of steady growth, what pushed the company to rebuild the assistant around generative AI, borrowing in part from a rival's language model?

  • William Tunstall-Pedoe, a British computer scientist, founded Evi in 2005 to answer questions directly instead of returning a list of links. Amazon bought Evi in 2012, then bought a Polish speech synthesizer called Ivona in 2013. Ivona's makers had drawn inspiration from the film 2001: A Space Odyssey. Evi became Alexa's question-answering core, while Ivona supplied the text-to-speech engine that let Alexa talk back. On the 6th of November 2014, Amazon announced Alexa alongside the first Echo speaker.

    Amazon's developers picked the name Alexa for a precise technical reason: the hard consonant X helps the wake word register with higher recognition accuracy. The name also echoes the Library of Alexandria, the same reference behind the company's separate Alexa Internet service. Two years later, Amazon would put its money behind that bet, launching a fund to back outside developers building on the assistant.

  • Amazon's in-house hardware group, Lab126, built the first Echo speaker and Echo Dot around Alexa, later followed by the Echo Studio and Amazon Tap. Alexa could handle natural spoken requests for music playback, to-do lists, alarms, podcasts, audiobooks, weather, traffic, sports scores, and news. It could also switch on lights, thermostats, and other equipment as a home automation hub. Most devices woke up on hearing 'Alexa' or 'Amazon,' though phones and the Amazon Dash Wand needed a button press instead, and some devices accepted spoken commands like 'Alexa, go to bed.'

    More than 10,000 Amazon employees worked on Alexa and its related products. By January 2019, the devices team said it had sold over 100 million Alexa-enabled devices. Third-party developers could extend Alexa through add-on 'skills,' comparable to apps on a phone. By a later count, more than 90,000 skills were available, up from just 1,000 in June 2016. Microsoft's Cortana assistant also became usable on Alexa-enabled devices during this period. In 2018, Amazon also rolled out 'Brief Mode,' where Alexa answered a command with a beep instead of saying 'Okay.' On the 20th of December that year, Amazon added a Wolfram Alpha integration for more accurate answers to math, science, and history questions. Amazon opened its speech and language technology to outside developers under the name Amazon Lex on the 30th of November 2016. This let them build their own conversational chatbots, connecting first to Facebook Messenger, with Slack and Twilio integration to follow.

    Alexa also learned to speak in borrowed celebrity voices. Starting on the 25th of September 2019, users could pay $0.99 to hear responses in Samuel L. Jackson's voice. In India, Amazon announced on the 15th of September 2020 that Amitabh Bachchan would become a paid alternative voice option starting in 2021. That same September day in 2019, Alexa and Google Assistant became the first voice services to help users apply for jobs at McDonald's. The service reached the United States, Canada, Spain, France, Ireland, Germany, Italy, and the United Kingdom. Ask Alexa about GLaDOS, the villain from the Portal video games, and it replies, 'We don't really talk after what happened.'

    Beyond the software, thousands of enthusiasts and outside companies were already organizing conferences and investment programs around Alexa.

  • On the 25th of June 2015, Amazon launched the Alexa Fund, committing $100 million in venture capital to developers and device-makers building for the assistant. The fund judged prospects by customer focus, degree of innovation, and fit with Alexa's product line, then backed companies including ecobee, Ring, and Toymail Co. Beyond money, Amazon offered these companies engineering help, manufacturing support, and marketing space on its own platforms.

    In September 2016, Amazon announced a university competition called the Alexa Prize, offering $2.5 million in awards and research grants for that November. The 2017 inaugural challenge asked student teams to build a working socialbot. The University of Washington won the first Grand Challenge, the University of California, Davis won the second, and Emory University won the third.

    In January 2017, developers and enthusiasts gathered in Nashville, Tennessee for the first Alexa Conference, later continued under the name Project Voice. Paul Cutsinger, Amazon's Head of Education for Alexa, headlined later events as a keynote speaker. At Amazon's own AWS re:Invent conference in Las Vegas, the company unveiled Alexa for Business and let developers charge for paid add-ons inside their skills.

    By May 2018, Amazon said it would install Alexa in 35,000 new homes built by the homebuilder Lennar. In November 2018, the company opened its first Alexa-themed pop-up shop inside Toronto's Eaton Centre, alongside sales counters at Amazon Books and Whole Foods Market. That same December, Alexa was added to the Anki Vector, the home robot's first major update since its release that August. By 2018, Alexa understood English, German, French, Italian, Spanish, Portuguese, Japanese, and Hindi, with a French-Canadian version carrying a Quebec accent.

    In October 2019, Amazon brought Alexa to Brazil in Portuguese, partnering with Bose, Intelbras, and LG on compatible hardware. That November, the company also released the Echo Studio, a Dolby Atmos-compatible surround-sound speaker. All of this expansion cost money, and within a few years Amazon would begin cutting jobs to close the gap.

  • Amazon had hoped voice ordering would become a moneymaker, working with partners like Domino's Pizza and Uber, but the anticipated revenue never showed up. Alexa played no audio ads at all, and its display ads performed poorly too. In 2019, Amazon called an all-hands crisis meeting over the shortfall and froze hiring across the division.

    By 2022, the Alexa division was losing several billion dollars every quarter, and Amazon began laying off employees en masse. Echo Show screens started carrying hidable ads in December 2022. In November 2023, faster-repeating ads promoting specific Amazon products followed, the same month Amazon directed Alexa employees to begin training a large language model codenamed Olympus. Separately, the company had floated a Titan-powered subscription upgrade costing $10 to $20 a month, though it never confirmed a launch date.

    In December 2024, Amazon introduced its own family of AI models under the Nova brand. Two months later, in February 2025, the company launched Alexa+, a new generation of the assistant built on generative AI and free for Prime members. On that same day, Anthropic announced that its Claude models were part of Alexa+ as well.

    In January 2026, Amazon extended Alexa+ onto the web through a new site, Alexa.com, letting users type or talk to the assistant through a browser. The move put Alexa+ in direct competition with chatbots like ChatGPT and Gemini. On the 4th of February 2026, nearly a year after its launch, Alexa+ became available to everyone in the United States.

    In early 2026, Amazon entered advanced talks to invest as much as $50 billion in OpenAI, aiming to fold OpenAI's models into Alexa and other internal projects. After critics noted how easily people could chat with rivals like ChatGPT and Claude, Amazon said Alexa would become chattier in 2026, able to follow conversational threads and respond more proactively.

    Long before any of this generative overhaul, Alexa had already worked its way into kitchens, cars, and living rooms through ordinary daily habits like ordering food and running the smart home.

  • Amazon launched Alexa's Home Automation feature on the 8th of April 2015, letting it control products from manufacturers like ecobee, Philips Hue, and SmartThings using the Alexa Skills Kit. In September 2018, Amazon added a microwave oven under its AmazonBasics label that could pair with an Echo. Alexa could also work with a Ring doorbell to greet visitors and leave delivery instructions. By Amazon's own account, requests to control compatible smart home appliances doubled year over year, with smart fans and air conditioners the fastest-growing category at 37 percent growth.

    Take-out orders through Alexa were supported by Domino's Pizza, Grubhub, Pizza Hut, Seamless, and Wingstop, along with Just Eat for users in the UK. Starbucks tested a private pickup-order beta with Alexa in early 2017, and Amazon Prime Now let users order meals through Alexa in 20 major US cities. Amazon Key, introduced in November 2017, paired Alexa with a smart lock and an Alexa Cloud Cam so couriers could leave packages inside the door. According to an August 2018 article in The Information, only 2 percent of Alexa owners had used the device to buy anything during the first seven months of that year. Of those who made a purchase, 90 percent never bought again.

    Amazon Prime members could stream more than two million songs free through Alexa, while listeners could also upload up to 250 personal songs at no charge via Amazon Music for PC. Messages sent from the Alexa app arrived as text, but messages recorded on an Echo device played back as spoken audio, without any attachments. Because the feature carried no password or PIN, anyone who picked up a linked Echo could hear messages meant for the household.

    Alexa's Sports Update let users track any of 15 supported leagues, from the NFL and NBA to the IPL and the Bundesliga. Alexa for Business, a separate paid subscription, let companies join conference calls and book meeting rooms, launching with custom skills from SAP, Microsoft, and Salesforce. Starting in February 2020, Alexa also began sending severe weather alerts and updating users on traffic and commute conditions.

    All of this convenience depended on Alexa listening constantly for its wake word, a design choice that would raise its own hard questions.

  • In November 2018, Amazon mistakenly sent 1,700 recordings of an American couple to an unrelated man in Europe. The recipient reported the anomaly to Amazon, but the company only responded after the German magazine c't contacted them and published the story. Amazon later called the mix-up an isolated case of human error, offering the man a free Prime membership and new Alexa devices.

    A similar mishap struck a family in Portland, Oregon in May 2018, when their Echo recorded a private conversation and sent it to one of their contacts unprompted. Amazon dismissed the incident as extremely rare, saying the device had misread background conversation as a string of commands. In November 2018, a New Hampshire judge ruled that investigators could examine Echo recordings from the home of murder victim Christine Sullivan as evidence against defendant Timothy Verrill.

    During his own interrogation, Chris Watts was told by investigators, at the 16 minute 15 second mark, that his home's Alexa device was 'trained to record distress.' Years earlier, in February 2017, Luke Millanta had shown that an Echo could be wired to control a Tesla Model S, drawing warnings from journalists about hijacked vehicles. In early 2018, security researchers at Checkmarx turned an Echo into a working spy device using a malicious skill that secretly recorded users.

    On the 21st of January 2022, Alexa devices across Western Europe stopped responding for over an hour, many replying only 'I'm sorry, something went wrong.' The outlet EuropaPress reported the disruption peaked around 9:30 UTC+1. The BBC reported in 2021 that Alexa's popularity had fueled bullying of people named Alexa, severe enough that one child's parents changed her name legally.

    At its Re:MARS conference in June 2022, Amazon demonstrated an unreleased feature that let Alexa mimic a specific person's voice from under a minute of recorded audio, including a deceased grandmother reading a bedtime story. Critics compared it to the Black Mirror episode 'Be Right Back' and questioned whether the dead could ever consent to being mimicked. In 2023, Alexa also told some users that the 2020 US presidential election had been 'stolen by a massive amount of election fraud.'

    In 2019, Apple, Google, Amazon, and the Zigbee Alliance had already announced a partnership to make their smart home products work with each other, a sign that Alexa's next chapter would be written as much alongside competitors as against them.

Common questions

What companies did Amazon acquire to build Amazon Alexa?

Amazon acquired the British company Evi, founded in 2005 by William Tunstall-Pedoe, in 2012, and the Polish speech synthesizer Ivona in 2013. Evi provided Alexa's question-to-answer system and Ivona provided its text-to-speech model.

Why did Amazon name its voice assistant Amazon Alexa?

Amazon chose the name Alexa partly because its hard consonant X helps the wake word register with higher recognition precision. The name is also reminiscent of the Library of Alexandria, the same reasoning behind the separate Amazon Alexa Internet service.

When did Amazon first launch Amazon Alexa and on what device?

Amazon announced Alexa on the 6th of November 2014 alongside the Amazon Echo smart speaker. Amazon Lab126 also developed the Echo Dot, Echo Studio, and Amazon Tap as early Alexa devices.

How many devices and skills does Amazon Alexa support?

By January 2019, Amazon said it had sold over 100 million Alexa-enabled devices, with more than 10,000 employees working on Alexa and related products. Third-party developers had built more than 90,000 Alexa skills, up from just 1,000 in June 2016.

What is Alexa+ and how is Amazon Alexa connected to Anthropic's Claude?

Alexa+ is the generative-AI version of Amazon Alexa that launched in February 2025, built on Amazon's Nova models and free for Prime members. On the same day Alexa+ was announced, Anthropic said its Claude models were also used within Alexa+.

What privacy incidents has Amazon Alexa been involved in?

In November 2018, Amazon mistakenly sent 1,700 recordings of an American couple to an unrelated man in Europe. In May 2018, an Echo in Portland, Oregon sent a family's private conversation to one of their contacts without permission, and a New Hampshire judge later allowed Echo recordings to be used as evidence in the murder case against Timothy Verrill.

All sources

225 references cited across the entry

  1. 8Amazon's OmnipresenceDavid Pierce — WIRED — 12 July 2016
  2. 11NewsAmazon has sold more than 100 million Alexa devicesAbrar Al-Heeti — CBS Interactive — January 4, 2019
  3. 15NewsAlexa, Where Have You Been All My Life?Penelope Green — July 11, 2017
  4. 17NewsThe Exec Behind Amazon's AlexaDave Limp — Time Inc.
  5. 24NewsAmazon Opens First-Ever Alexa Smart Home Retail Space in CanadaChristopher Lui — November 20, 2018
  6. 27NewsAmazon brings Echo, Alexa, and Prime Music to CanadaPaul Sawers — November 15, 2017
  7. 29Alexa and Amazon Echo Now Available in BrazilBusiness Wire — October 2, 2019
  8. 30NewsAmazon Echo Studio ReviewWill Greenwald — 6 November 2019
  9. 33NewsAmazon announces its own set of Nova AI modelsJay Peters — December 3, 2024
  10. 38OpenAI models could help power Alexa as part of Amazon investment dealAshley Capoot,Kate Rooney,Annie Palmer — 2026-02-04
  11. 41The complete list of Alexa commands so farTaylor Martin et al. — CBS Interactive — September 10, 2017
  12. 43News"Alexa, Make Me Money": Conversational AI Prepares for the EnterpriseSimon Erickson et al. — September 22, 2018
  13. 58Hey Alexa, Meet YonomiMarch 22, 2016
  14. 61NewsAlexa can now greet people from your Ring Doorbell ProMitchell Clark — theverge.com — 11 February 2021
  15. 63How to order a pizza with Amazon Alexa or Google HomeRaymond Wong — Mashable — February 7, 2017
  16. 64MagazineThe 10 best launch partners for Amazon Echo's AlexaAmelia Heathman — September 14, 2016
  17. 68NewsThe Reality Behind Voice Shopping HypePriya Anand — August 6, 2018
  18. 75NewsAmazon officially unveils Alexa for BusinessJordan Novet — November 30, 2017
  19. 76NewsAlexa for Business: 10 key takeawaysAsha McLean — November 30, 2017
  20. 87JournalLong short-term memorySepp Hochreiter — 1997
  21. 88JournalLearning to Forget: Continual Prediction with LSTMFelix A. Gers — 2000
  22. 91NewsAmazon Alexa gets Samuel L Jackson's voiceLeo Kelion — September 25, 2019
  23. 93NewsAmitabh Bachchan to Be Alexa's First Indian Celebrity VoiceAkhil Arora — September 14, 2020
  24. 94AWS Announces Three New Amazon AI ServicesBusiness Wire — November 30, 2016
  25. 95Amazon Lex – Build Conversational Voice & Text InterfacesJeff Barr — Amazon — November 30, 2016
  26. 97How private is Amazon Echo?Slashgear.com — November 7, 2014
  27. 105Control your car from the loungeBantick Mike — 2017-02-17
  28. 116Breaking! Chris Watts Confession InterviewThrivin' for the Truth — November 29, 2018
  29. 117BookPrivacy and Identity Management. Data for Better Living: AI and PrivacyJacob Leon Kröger et al. — 2020
  30. 120NewsAlexa has a new voice — your dead relative'sMaría Luisa Paúl — June 23, 2022
  31. 124NewsAmazon's Alexa has been claiming the 2020 election was stolenCat Zakrzewski — October 7, 2023
  32. 125NewsAmazon launches its AI-powered speaker Echo in EuropeArjun Kharpal — September 14, 2016
  33. 127NewsAmazon's Alexa going live in CanadaMichael Lewis — December 5, 2017
  34. 131Alexa echo france price date specsThe Verge — June 6, 2018
  35. 132NewsAmazon's Echo and Alexa devices come to Spain and ItalyShannon Liao — Vox Media — October 24, 2018
  36. 135NewsAmazon kicks off Alexa trial in BrazilAngelica Mari — ZDNet — March 19, 2019
  37. 137Amazon launches Saudi-dialect speaking AlexaGeorge Charles Darley — Arab News — 7 December 2021
  38. 139NewsAlexa is now available on 20,000 devicesBrian Heater — Oath Inc. — September 1, 2018
  39. 140NewsEcho Speakers with AlexaLatest-Product-Reviews.com — November 1, 2021
  40. 141NewsSonos announces Alexa-controlled wireless speakersJohn Biggs — October 4, 2017
  41. 143NewsHarman's Alexa speaker is 100x uglier than its Cortana speakerMicah Singleton — Vox Media — August 31, 2017
  42. 145NewsKitSound Voice One gives Alexa the audio oomph she needsMax Langridge — August 2, 2017
  43. 147NewsThis adorable Bluetooth speaker puts Alexa on your fridgeDieter Bohn — Vox Media — April 28, 2016
  44. 148NewsEyes On: LG's SmartThinQ Hub With AlexaTimothy Torres — September 3, 2016
  45. 151NewsFabriq Chorus review: This Alexa-powered smart speaker is an excellent valueMichael Brown — International Data Group — November 13, 2017
  46. 152Magazine6 Can't-Miss Gadgets Powered By Amazon's Alexa AssistantJohn Patrick Pullen — December 15, 2016
  47. 156NewsBrilliant Control touchscreen home hub with Alexa now availableJoshua Goldman — CBS Interactive — September 6, 2018
  48. 158NewsMarshall taps Alexa for its first smart speakersSteve Dent — Oath Inc. — August 30, 2018
  49. 159NewsHuawei joins the Alexa-powered smart speaker club with the AI CubeKatie Colline — CBS Interactive — August 31, 2018
  50. 160NewsRIVA Voice Series goes all-out on Alexa in new speaker rangeHenry St Leger — August 29, 2018
  51. 161NewsLibratone's cute Zipp 2 and Zipp Mini 2 speakers come with AlexaDami Lee — Vox Media — August 29, 2018
  52. 163NewsKlipsch brings Google Assistant and Alexa support to its smart sound barsDani Deahl — Vox Media — January 3, 2018
  53. 164NewsAmazon Fire TV Gets 4K Video and the Alexa Virtual AssistantWilson Rothman — September 17, 2015
  54. 167NewsAlexa is coming to Sony smart TVsDara Kerr et al. — CBS Interactive — September 20, 2018
  55. 170NewsAmazon's $150 Fire tablet summons Alexa hands-freeJon Fingas — September 19, 2017
  56. 173NewsTCL Xess 17.3-inch 'smart home hubon AmazonAdrian Diaconescu — November 4, 2016
  57. 175NewsMotorola's newest mod puts an Alexa speaker on your phoneJon Fingas — October 21, 2017
  58. 176NewsEssential made an Amazon-exclusive version of its phone with Alexa preinstalledChaim Gartenberg — Vox Media — February 16, 2018
  59. 177NewsAmazon Alexa coming to Windows 10 PCs from ASUS, HP and moreRichard Devine — Mobile Nations — January 8, 2018
  60. 178NewsLenovo's new ThinkPad X1 laptops join HDR and Alexa chorusJoshua Goldman — CBS Interactive — January 8, 2018
  61. 182GE puts Amazon Alexa inside a funky table lampBrian Heater — December 7, 2016
  62. 184NewsNucleus debuts first Alexa-enabled touchscreen video deviceAdario Strange — August 4, 2016
  63. 185Omate's Yumi robot is an Alexa-enabled tablet with wheelsAshley Carman — Vox Media — November 2, 2016
  64. 200NewsCoWatch keeps Amazon Alexa Voice Service at arm's lengthJoshua Goldman — April 16, 2016
  65. 201You can now get Alexa on your wrist, thanks to MartianDan Graziano — December 6, 2016
  66. 204NewsFord plans to take Amazon's Alexa for a rideMike Snider — January 5, 2017
  67. 205NewsAmazon is adding Alexa to BMW cars in 2018Danielle Muoio — September 27, 2017
  68. 206NewsBMW, Mini Assimilate Full Amazon Alexa Skill SetBrian Normile — October 2, 2017
  69. 207NewsAmazon's Alexa Is Coming to Some Toyota and Lexus CarsJohnathan Vanian — January 9, 2018
  70. 208NewsToyota will add Amazon Alexa to select cars in 2018Robert Ferris — January 9, 2018
  71. 211NewsMuse is a simple dedicated Amazon Alexa add-on for the carDarrell Etherington — Oath Inc. — November 14, 2017
  72. 213NewsAlexa Works on Your Phone Now, TooAnna Attkisson — May 12, 2016
  73. 215NewsAmazon lets you access Alexa on the web via Echosim.ioLaura Mandaro — May 28, 2016
  74. 216NewsAmazon adds Alexa to its main shopping appSarah Perez — Oath Inc. — March 16, 2017
  75. 217NewsAmazon finally adds Alexa support to its Music appMariella Moon — Oath Inc. — September 26, 2017
  76. 219NewsTaptop FAQ'sThomas Meiners — April 22, 2021
  77. 224NewsEmory University team wins Alexa Prize Grand Challenge 3Stephen Zorio — August 4, 2020