Perplexity AI

Perplexity AI, Inc. is an American software company founded in August 2022 by Aravind Srinivas, Denis Yarats, Johnny Ho, and Andy Konwinski. The company is headquartered in San Francisco, California. Perplexity AI specializes in AI-powered search technologies, offering a web search engine that processes user queries and synthesizes responses using large language models and real-time web search capabilities. The company has attracted significant investment from notable figures and companies, including Jeff Bezos, Tobias Lütke, Nat Friedman, Nvidia, and Databricks. As of September 2025, Perplexity AI was valued at $20 billion. The company has faced legal scrutiny over allegations of copyright infringement, unauthorized content use, and trademark issues from several major media organizations, including the BBC, Dow Jones, and The New York Times. Despite these challenges, Perplexity AI continues to expand its offerings and partnerships, aiming to revolutionize the search engine industry with its AI-driven approach.