Social media company Pinterest (NYSE:PINS) forecast on Friday that its first-quarter revenue would be higher than estimated, with its AI-powered tools increasing ad spend on the image sharing platform.

The company’s first-quarter revenue forecast of $837 million to $852 million was above analysts’ average estimate of $832.8 million.

Its adjusted core earnings forecast of $155 million to $170 million was also ahead of analysts’ estimates.

Fourth quarter revenue of $1.15 billion was slightly ahead of estimates. Global monthly active users were 553 million.

Shares rose 20% on the news.