Perplexity AI is an AI-powered answer engine designed to provide accurate, trusted, and real-time answers to user queries. It was launched in 2022 by Aravind Srinivas, Denis Yarats, Johnny Ho, and Andy Konwinski, who have backgrounds in AI, machine learning, and back-end systems. The platform leverages advanced AI models, including OpenAI’s GPT-4 and Anthropic’s Claude 2, to generate responses using natural language processing (NLP) capabilities and cites sources within its answers