In 2017, Google announced that their speech recognition had a 95% accuracy rate. Googles speech recognition is 13% more accurate for men than it is for women. Google is regularly the highest performer as compared to Bing, AT&T, WIT, and IBM Watson systems. Google reports that 20% of their searches are made by voice query today a number that’s predicted to climb to 50% by 2020. Voice commerce will be an $80 billion business by 2023.”]
Source: https://hbr.org/2019/05/voice-recognition-still-has-significant-race-and-gender-biases