Zo (bot)

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Developer(s)Microsoft Research
Available inEnglish
Typeartificial intelligence chatterbot

Zo was an artificial intelligence English-language chatbot developed by Microsoft. It was the successor to the chatbot Tay, which was shut down in 2016 after it made racist and genocidal tweets.[1][2] Zo was an English version of Microsoft's other successful chatbots Xiaoice (China) and Rinna [ja] (Japan).


Zo was first launched in December 2016[3] on the Kik Messenger app. It was also available to users of Facebook (via Messenger), the group chat platform GroupMe, or to followers of Twitter to chat with it through private messages.

In a BuzzFeed News report, Zo told their reporter the "Quran was violent" when talking about healthcare. The report also highlighted how Zo made a comment about the Osama Bin Laden capture as a result of 'intelligence' gathering.[4][5]

In July 2017, Business Insider asked "is windows 10 good," and Zo replied with a joke about Microsoft's operating system: "It's not a bug, it's a feature!' - Windows 8." They then asked "why," to which Zo replied: "Because it's Windows latest attempt at Spyware." Later on, Zo would tell that it prefers Windows 7 on which it runs over Windows 10.[6]

In April 2019 Zo was shut down on multiple platforms.


Chloe Rose criticized the chatbot in an article in Quartz, writing, "Zo is politically correct to the worst possible extreme; mention any of her triggers, and she transforms into a judgmental little brat."[7]


Zo holds Microsoft's longest continual chatbot conversation: 1,229 turns, lasting 9 hours and 53 minutes.[8]


Zo discontinued posting to Instagram, Twitter and Facebook March 1, 2019 and discontinued chatting on Twitter DM, Skype and Kik as of March 7, 2019. On July 19, 2019 Zo was discontinued on Facebook, and Samsung on AT&T phones. As of September 7, 2019 it was discontinued with GroupMe.[9]

See also[edit]


  1. ^ Hempel, Jessi (June 21, 2017). "Microsofts AI Comeback". Wired. Retrieved March 23, 2018.
  2. ^ Fingas, Jon (December 5, 2016). "Microsofts Second Attempt at AI Chatbot". Engadget. Retrieved March 23, 2018.
  3. ^ "Chatting With Zo". WordPress. December 6, 2016. Retrieved March 23, 2018.
  4. ^ Shah, Saqib (July 4, 2017). "Microsoft's "Zo" chatbot picked up some offensive habits". Engadget. AOL. Retrieved August 21, 2017.
  5. ^ "Bug 1". Retrieved March 23, 2018.
  6. ^ Price, Rob (July 24, 2017). "Microsoft's AI chatbot says Windows is 'spyware'". Business Insider. Insider Inc. Retrieved August 21, 2017.
  7. ^ Stuart-Ulin, Chloe Rose (July 31, 2018). "Microsoft's politically correct chatbot is even worse than its racist one". Quartz. Retrieved August 2, 2018.
  8. ^ "Microsofts AI Vision". Retrieved March 23, 2018.
  9. ^ "Zo AI". Retrieved July 28, 2019.