Perplexity just abandoned advertising in its AI search product. The company found that even labeled ads made users doubt the accuracy of every answer.
This creates a clear split: Anthropic and Perplexity say no ads, OpenAI is testing ads in ChatGPT, and Google has ads in AI Overviews but not Gemini.
Here's the original story: https://www.macrumors.com/2026/02/18/perplexity-abandons-ai-advertising/
