Source: Perficient Digital 2019 DPA accuracy study
Alexa the second-most accurate assistant, after Google. The most accurate assistant is Google (on a smartphone). Alexa comes in second. However, accuracy seems to have declined across the board and most for Cortana, which could be related to its attempt to answer more questions. Siri also suffered a meaningful decline in accuracy.
Source: Perficient Digital 2019 DPA accuracy study
Perficient Digital explored the use of featured snippets by the assistants. It defines snippets as “answers provided by a digital personal assistant or a search engine that have been sourced from a third party” (with attribution).
Decline in use of snippets by Google. Google served up the most snippets, with Google Home beating out the Assistant on smartphones. However, Google Assistant on the smartphone also saw a significant decline use of snippets. It was the only platform to see such a decline.
Source: Perficient Digital 2019 DPA accuracy study
Finally, Alexa and Siri tied for the most jokes offered in response to queries. Accordingly, they were deemed to be “the funniest” assistants.
Why we should care. Perficient Digital concludes in its discussion of the data that “progress has stalled to a certain degree.” The company explains, “We’re no longer seeing major leaps in progress by any of the players,” adding, “The next significant leap forward will likely require a new approach.” Google may have found that approach in BERT, which helps the search engine better understand the meaning of more conversational queries.
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