Photo: Jakub Porzycki / NurPhoto via Getty Images The New York Times has demanded that AI search engine startup Perplexity stop using content from its site in a cease and desist letter sent to the company, reports The Wall Street Journal. The Times, which is currently suing OpenAI and Microsoft over allegedly illegally training models on its content, says the startup has been using its content without permission, a claim made earlier this year by Forbes and Conde Nast.The Journal included this passage from the letter: