Summary
Perplexity, an AI-powered search platform, is challenging Google by providing users with summarized answers and cited sources. Despite handling over 2 million queries daily, it's still far from Google's volume. Perplexity uses AI models like ChatGPT 3.5, with premium access to GPT-4, Claude 3, and others. It maintains context throughout the queries for a conversational approach. Future challenges for Perplexity include determining a revenue model that could drive more commerce transactions.