Alphabet Slides 2.7% as OpenAI's Ad Run Rate Hits $1 Billion — Live Feedhttps://www.live-feeds.com/feed/alphabet-slides-2-7-as-openai-s-ad-run-rate-hits-1-billionContinuously updated, source-cited coverage. Alphabet Shares Drop 2.7% as OpenAI Ad Revenue Hits $1 Billion Run Ratehttps://www.live-feeds.com/feed/alphabet-slides-2-7-as-openai-s-ad-run-rate-hits-1-billionhttps://www.live-feeds.com/feed/alphabet-slides-2-7-as-openai-s-ad-run-rate-hits-1-billion#u55251Thu, 03 Sep 2026 07:05:45 +0000Alphabet shares fell 2.7% following reports that OpenAI's advertising business reached a $1 billion annualized revenue run rate. While OpenAI views this growth as a milestone in expanding AI access, the financial success of the ad arm contrasts with recent performance data. MediaPost reported on August 31, 2026, that ChatGPT ads are not performing, suggesting a gap between total revenue growth and individual ad effectiveness.Why it mattersAlphabet relies heavily on search advertising for its primary income. OpenAI's rapid entry into the ad market creates direct competition for digita