WSJ Tech News Briefing WSJ Tech News Briefing

How OpenAI Built a Billion-Dollar Ad Engine

Sep 18, 2026 · 11m

Summary

WSJ Tech News Briefing explores how AI voice cloning tools can now replicate regional accents with just 10 seconds of audio, posing a significant security risk for scams. Journalist Heidi Mitchell discusses research showing that listeners often trust voices matching their own dialect, making them more vulnerable to fraud. The episode also covers OpenAI’s rapid expansion into advertising, which recently hit a $1 billion annualized run rate. WSJ editor Suzanne Verza analyzes how OpenAI is leveraging conversation intent for ad targeting and testing "sponsored agents" to support its anticipated…

Topics discussed

Sponsor: McKinsey on AI integration and growth Intro: AI voice cloning and OpenAI's ad push Interview: AI voice scams and accent mimicry Transition to OpenAI advertising segment Sponsor: McKinsey on business strategy vs AI OpenAI's shift from anti-ads to ad rollout How OpenAI's ad platform works and expands Ad targeting based on conversation intent New 'Sponsored Agents' and native ad formats OpenAI ad revenue milestones and advertiser feedback Importance of ads for OpenAI's upcoming IPO Show credits and production team Sponsor: McKinsey on redesigning workflows with AI
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