Both Cortana and Alexa have their own unique features and capabilities. However, if you are using a Windows 10 or Windows 11 devices, Cortana is already built-in and can be easily set up. If you are using an Amazon device, Alexa would be the better choice.

Voice assistants are software agents that can interpret human speech and respond via synthesized voices. Apple's Siri, Amazon's Alexa, Microsoft's Cortana, and Google's Assistant are the most popular voice assistants and are embedded in smartphones or dedicated home speakers.

Last December, the company tested Amazon Alexa, Apple Siri, Google Assistant and Microsoft Cortana against 800 questions to find out which was superior. Google answered 88% of questions correctly, while Apple scored 75%, Alexa scored 72.5%, and Cortana came in with 63%.

As a personal productivity assistant, Cortana helps you save time getting things done so you can focus on the things that are most important to you. In particular, Cortana can help you access information quicker, connect with other people faster, and be better at keeping on track.

Cortana is Microsoft's digital assistant. First launched in 2014, Cortana was originally developed for the Windows Phone 8.1 and is included in other Windows devices and operating systems (OSes), including Windows 10 and 11.

In general, all three assistants provide accurate responses and fast. However, there are some slight differences. Due to its background in mobile phones, Siri is generally more accurate at understanding spoken commands than Alexa and Cortana.

Cortana (virtual assistant), virtual assistant from Microsoft. Cortana, or Curtana, a ceremonial sword used in the coronation of British monarchs. Cortain, or Curtana, the sword wielded by Ogier the Dane, Paladin of Charlemagne.

Its code name during development was, well, Cortana, named after a female artificial intelligence character in Microsoft's popular Halo series of video games.

Cortana is Microsoft's personal productivity assistant that helps you save time and focus attention on what matters most. To get started, select the Cortana icon on the taskbar. If you're not sure what to say, try asking, "What can you do?"

So, only two months after Watson's success, Apple introduced Siri to the world, then conversational assistants began to pop up like mushrooms after the rain (2012: Google Assistant, 2013: Cortana, 2014: Amazon Alexa, 2016:Google Home, 2017: Bixby etc.).

Cortana is a discontinued virtual assistant developed by Microsoft, that uses the Bing search engine to perform tasks such as setting reminders and answering questions for the user. Cortana on Windows 10, in version 22H2.

Cortana is Microsoft's personal productivity assistant that helps you save time and focus attention on what matters most. To get started, select the Cortana icon on the taskbar. If you're not sure what to say, try asking, "What can you do?"