Google’s search ad revenue growth slowed to 12% in Q3 2026. YouTube ad revenue growth also fell to 9%. Total Google ad revenue rose 10.6% for the quarter. Search brought in $63.4 billion. AI Mode drove the fastest query growth in five years. AI Mode ads are now expanding internationally. A multiturn ad format is rolling out in the U.S. AI Mode queries monetize less than traditional search. Capital expenditures hit $51.4 billion in Q3. Free cash flow was negative $9.1 billion. Alphabet shares dropped after the earnings report. Foreign exchange and retail pressures in APAC weighed on growth. Google faces new competition from OpenAI and Meta in AI-driven search and agents.
What changed
Search and YouTube ad revenue grew 15% YoY in Q3 2025.
What it unlocks
AI Mode in Google Search enables longer, more involved search behaviors and multiturn ad formats.
- Google search ad revenue up 12% YoY in Q3 2026
- YouTube ad revenue up 9% YoY in Q3 2026
- Total Google ad revenue up 10.6% YoY in Q3 2026
- $63.4B Google search revenue in Q3 2026
Sources