Perplexity AI abandoned its advertising model entirely, according to the research audit underpinning this report, shifting to consumer subscriptions and usage-based enterprise APIs — a striking reversal for a company that had earlier courted advertisers.

The move was a bet on trust. Perplexity had built its growth on an 'answer engine' that replaced the link-retrieval model of traditional search with direct, cited responses. Management concluded that injecting ads into those answers would undermine the very credibility that differentiated the product.

The economics behind the pivot were increasingly real: by mid-2026 Perplexity commanded roughly 45 million monthly active users and processed hundreds of millions of queries a month, with annual recurring revenue approaching $500 million. It had also locked in scale through a large Azure commitment and a distribution deal to power Snapchat's native search.

The decision reframed a central question of the AI-search era — whether the answer engine would be monetized like media, through attention, or like software, through subscriptions and usage.