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 ...

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.