Search Test Google B+ to Siri D
FORTUNE -- Piper Jaffray's Gene Munster is nothing if not methodical. When customers queue up for a new Apple (AAPL) product, he's the analyst who goes to the line and counts heads. When programmers gather at an Apple developers conference, he'll stop three or four dozen to ask if they are writing apps for Mac, iPhone or Android devices.
So when he wanted to know how Siri stacked up against a Google (GOOG) search, he (or his staff) asked an iPhone 1,600 questions, 800 on the busy streets of Minneapolis, 800 in a quiet room.
Piper Jaffray published the results Thursday in a note to clients:
- Google understands 100% of the questions (not surprisingly, since they are keyed in)
- Google replies accurately 86% of the time
- Siri comprehends 83% of queries in noisy conditions, 89% in a quiet room
- Siri answers accurately 62% of the time on the street and 68% in a quiet room.
"In order to become a viable mobile search alternative," Munster writes, "Siri must match or surpass Google's accuracy of B+ and move from a grade D to a B or higher."
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