Perplexity AI Inc. filed a counterattack against a software company’s trademark lawsuit, urging a federal judge to cancel the ...

Perplexity AI is an AI-driven search engine and chatbot that uses large language models (LLMs) to answer user queries by drawing information from the web and providing cited sources within its ...

A photo illustration shows the Perplexity logo on a mobile phone. Pavlo Gonchar/Getty Images 2024-02-29T23:21:25Z ...

Perplexity logo is seen in this illustration taken May 20, 2024. ... The lawsuit said PSS sent Perplexity AI a cease-and-desist letter over its name last October.