Earnings per share for the quarter were $5.11, CNBC reported.
Revenue was $109.9 billion, compared with the $107.2 billion analysts expected, according to research firm LSEG.
For Alphabet's cloud service, Google Cloud, sales amounted to $20 billion. Analyst firm Street Account had estimated $18.05 billion.
In one year, Google Cloud's revenue has risen by 63 percent.
The stock rose sharply in after-hours trading on the New York Stock Exchange. A few minutes after the quarterly report was released, it was up 3.8 percent.
Alphabet is the world's third most valuable publicly traded company.
