Perplexity—Where Knowledge Begins. Accurate answers to any question, backed by sources and citations. Cut through the clutter and get straight to credible, up-to-date answers. This free app syncs across devices and leverages the power of the top AI models from OpenAI, Anthropic, Meta, and more. Features: · Perplexity Pro Search & Deep Research: Guided AI search for deeper exploration. · Thread Follow-Ups: Keep the conversation going for a deeper understanding. · Assistant: Draft emails, s