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

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October 27, 2026 Presented by 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. Advertisement TOP STORY MARKETING ON PLATFORMS Anthropic’s ad bill is soaring, according to IPO filing Anthropic’s IPO filing shows an ad-free AI company with a fast-growing ad bill. Other things to know The Digiday Video and TV Awards recognize the companies, campaigns and technology modernizing streaming, video and TV. Showcase your innovative work across video advertising, creator-led content, streaming and more, and join past honorees including Chipotle, ESPN and Hulu. Submit your entry by Nov. 13 to secure the early rate. As they navigate the effects of AI search, publishers are most focused on offering promotional discounts (88%) and member-exclusive content (80%), according to a new survey from Digiday and Braze. Partner insights from Braze. According to data from AppsFlyer, across hundreds of advertisers, 30% of campaigns are significantly undervalued by last-touch models alone — in some cases up to 10x. Partner insights from Moloco. MARKETING ON PLATFORMS In Graphic Detail: What Apple's identity block means for the ad money How Apple's identity block hits publishers' wallets, and why Apple can afford it. MEMBER EXCLUSIVE Ad Tech Briefing: Stagwell’s Freestar deal brings buying and selling under one roof The acquisition expands the holding company’s publisher monetization business, making fees, incentives and inventory selection a test of transparency. PARTNER INSIGHTS FROM GOOGLE PUBLISHER CONNECTIONS To successfully monetize in the AI era, strong partnerships are more critical than ever With the constant pressure to maximize publisher revenue and the ROI of every advertising dollar, navigating this growing complexity requires collaboration all stakeholders can count on.  MEDIA PRODUCT STRATEGIES The Hill adds interactive election tools to subscription offering ahead of the midterms The Hill is betting on interactive subscriber-only features to help grow its new subscription business ahead of the 2026 midterms. A MESSAGE FROM BASIS Disconnected ad tech comes at a cost New advertising tools typically promise efficiency. But too often, they actually add complexity. Basis does things differently: consolidating campaign workflows, performance data and financial operations into a single platform built for how advertisers work today, and how they’ll work tomorrow. Studies show that organizations using Basis saved an average of 51 hours per campaign across all stages, freeing teams to focus on higher-value work. Explore Basis THE PROGRAMMATIC MARKETER Inside indie agencies' DSP gripes and the rise of agentic media buying Independent agencies are pushing back on costly DSP fees as AI agents threaten to reshape how media is bought and who controls ad dollars. PARTNER INSIGHTS FROM Eyeota, a Dun & Bradstreet company What ad tech consolidation means for marketers' data Mergers and acquisitions can bring new capabilities, but they can also introduce uncertainty around data ownership, platform dependencies and partner relationships. evolving agencies Omnicom lands Coca-Cola’s North American media business, as WPP retains its global remit Weeks after PepsiCo ended a relationship with the holding company that had lasted almost 30 years, Coca-Cola has handed it the keys to North America. PARTNER INSIGHTS FROM AUDACY Podcast audiences become more valuable as listening time increases Podcast audiences have grown larger and more diverse, with listening time up 380% over the past decade. As measurement improves, brands are investing in podcasts to reach new audiences and drive measurable results. Advertisement ICYMI AD TECH BRIEFINGS AI is reinforcing Big Tech’s grip on advertising growth Why advertising’s AI boom favors Google, Meta and Amazon, even if marketers are uneasy. Written by Jim Cooper and Sara Jerde More from Digiday Digiday+ Podcast Events Advertise Were you forwarded this email? Sign up to get it daily. Digiday Media, One Liberty Plaza, 9th Floor, New York, NY 10006 Preferences · Unsubscribe · Privacy policy