Testing was conducted using Siri on iOS 12.4, Google Assistant on Pixel XL running Android 9 Pie, and Alexa via the iOS app. Smart home devices tested include Wemo Mini plug, TP-Link Kasa plug, Phillips Hue Lights, and Wemo Dimmer Switch.
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Digital assistant performance comparison 2017-2019
There was an improvement in the performance of all of the three leading digital assistants from 2017 to 2019. Google Assistant ranked first in all three years and answered nearly 93 percent of the queries correctly, as of 2019.
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Loup Ventures. (August 16, 2019). Share of questions answered correctly by selected digital assistants from 2017 to 2019 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 20, 2026, from /statistics/1133726/digital-assistant-intelligence-development/
Loup Ventures. "Share of questions answered correctly by selected digital assistants from 2017 to 2019." Chart. August 16, 2019. ÌÇÐÄÆƽâ°æ. Accessed July 20, 2026. /statistics/1133726/digital-assistant-intelligence-development/
Loup Ventures. (2019). Share of questions answered correctly by selected digital assistants from 2017 to 2019. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 20, 2026. /statistics/1133726/digital-assistant-intelligence-development/
Loup Ventures. "Share of Questions Answered Correctly by Selected Digital Assistants from 2017 to 2019." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 16 Aug 2019, /statistics/1133726/digital-assistant-intelligence-development/
Loup Ventures, Share of questions answered correctly by selected digital assistants from 2017 to 2019 ÌÇÐÄÆƽâ°æ, /statistics/1133726/digital-assistant-intelligence-development/ (last visited July 20, 2026)
Share of questions answered correctly by selected digital assistants from 2017 to 2019 [Graph], Loup Ventures, August 16, 2019. [Online]. Available: /statistics/1133726/digital-assistant-intelligence-development/
