Similarweb finds ads in 26% of ChatGPT replies

Similarweb says 26% of ChatGPT responses now carry a sponsored ad, while nearly 30% of ad-eligible Google AI Mode queries show one. Its AI Ads launch exposes creatives and landing pages from real-user panel conversations, with ChatGPT coverage initially spanning the top 10,000 U.S. advertisers; The Verge’s report notes that the measurement uses anonymized usage rather than synthetic prompts. Marketers should add conversational ad placement to their visibility review, extending the archive’s analysis of ChatGPT’s Free-and-Go monetization surface.