The New York Times and Chicago Tribune sue Perplexity over alleged copyright infringement

Both publications claim the AI company scraped their works for LLM training and often reproduced their content verbatim. The said it had sent Perplexity several cease-and-desist demands to stop using its content until the two reached an agreement, but the AI company persisted in doing so. First, by scraping its website (including in real time) to train AI models and feed content into the likes of the Claude chatbot and Comet browser . The also says Perplexity damaged its brand by falsely attributing completely fabricated information (aka hallucinations) to the newspaper. The also filed a lawsuit against Perplexity for similar reasons.