Perplexity

Perplexity AI, Inc. is an innovative AI-powered research and conversational search engine founded in 2022 by Aravind Srinivas, Andy Konwinski, Denis Yarats, and Johnny Ho. Based in San Francisco, California, Perplexity AI leverages advanced natural language processing (NLP) to provide accurate, real-time answers to user queries. The platform offers both free and Pro versions, with the latter providing access to cutting-edge AI models like GPT-4 and Claude 3.5. As of 2024, Perplexity AI has reached a valuation of over $1 billion and continues to grow rapidly, serving millions of users worldwide.