Perplexity AI Review — The Answer Engine That Replaced Search (For Some)

In four years, Perplexity AI went from a 2022 side project to a $21 billion company with 30 million daily queries, an official MCP server, a proprietary Sonar model family, a browser, a 'computer,' and more copyright lawsuits than any AI company would want. We review the product, the technology, the funding story, the MCP integration, and whether Perplexity's citation-native search experience is durable against Google's vastly larger distribution.