Anthropic’s ad bill is soaring, according to IPO filing

October 27, 2026

By Krystal Scanlon Claude won’t be carrying ads when Anthropic goes public. Plenty of them will be carrying Claude.

The paperwork (S-1 document) the AI company filed with U.S. regulators before its stock market listing shows its advertising spend rising from $33 million in 2024 to $147 million last year. That’s more than Duolingo, an app that has built its brand on marketing, spent on sales and marketing combined in 2025, at $125.7 million. Anthropic’s spending kept rising this year, with marketing and advertising costs up another $273 million more on marketing and advertising than in the same six months a year earlier.

That still leaves the ad budget small in Anthropic’s overall costs. Sales, marketing and partnership costs reached $3.17 billion in the first half of 2026 but most of that went to cloud companies that resell Claude, whose fees accounted for $2.7 billion of the increase.Continue reading this article on digiday.com. Sign up for Digiday newsletters to get the latest on media, marketing and the future of TV. …read more

Source:: Digiday