Alphabet’s AI Bet and YouTube Ad Dominance Powers First $100 Billion Quarter

Alphabet blew past expectations, crossing the $100 billion quarterly revenue milestone for the first time in its Q3 2025 earnings report. The news, which sent the company's stock climbing 5%, as reported by CNBC, shows its massive bet on artificial intelligence is paying off by driving double-digit growth across its core businesses.

• The AI era arrives: CEO Sundar Pichai declared the company is now "firmly in the generative AI era," and the numbers back him up. The company's "full-stack" AI strategy is credited with boosting everything from its bedrock Search product to its booming cloud division, which saw revenue soar 34% to over $15 billion and ended the quarter with a massive $155 billion in backlog.

• Shorts pay off: YouTube's ad business pulled in over $10 billion, a 15% increase from the previous year, with direct response ads fueling the surge. Notably, YouTube Shorts in the U.S. now earn more revenue per watch hour than traditional in-stream videos. The milestone marks a turning point for the TikTok competitor, proving the short-form video format is now a serious moneymaker for the platform.

• Building isn't cheap: But building that AI-powered future isn't cheap. Alphabet announced it now expects to spend between $91 billion and $93 billion on capital expenditures for 2025. That huge investment is aimed at building out the necessary infrastructure to power its ambitions—mostly data centers and custom chips.

The company is already getting ahead of the narrative. Chief Business Officer Philipp Schindler made sure to temper expectations, warning that YouTube's ad growth will look less impressive next quarter when compared to the huge spending spike from the 2024 U.S. elections.

While celebrating its financial success, Alphabet is also navigating significant legal headwinds, including a fresh antitrust ruling in favor of news publishers over its ad monopoly. Meanwhile, YouTube is making aggressive moves in the battle for the living room, flexing its muscle with its first exclusive NFL game while simultaneously facing a high-stakes carriage dispute with Disney. The platform's financial success is also making it a powerhouse in the music business, having paid out $8 billion to music rightsholders in the last year.