Perplexity AI is a conversational search engine that uses large language models (LLMs) to answer queries using sources from the web and cites links within the text response. Its developer, Perplexity AI, Inc., is based in San Francisco, California.

Perplexity was founded in 2022 by Aravind Srinivas, Andy Konwinski, Denis Yarats and Johnny Ho, engineers with backgrounds in back-end systems, artificial intelligence (AI) and machine learning:

Perplexity works on a freemium model. It also offers a paid enterprise version.

Location: United States of America