Perplexity AI: The $14B AI Answer Engine Challenging Google and ChatGPT
Perplexity AI launched its flagship search engine product on December 7, 2022, founded by Aravind Srinivas, Denis Yarats, Johnny Ho, and Andy Konwinski. Its tech uses a retrieval+generation architecture that performs live web searches and generates answers with inline citations, with Sonar, a modified version of Meta’s Llama 3, as the default model and support for GPT-3.5-turbo, GPT-4-turbo, Claude and other engines. The platform provides concise, sourced answers, supports multimodal inputs such as images and code, allows file uploads, and includes an Internal Knowledge Search for Pro users with up to 500 private files. It operates on a freemium model