Perplexity AI

Perplexity AI is an AI answer engine that combines web search, reasoning models, citations, file understanding, and research workflows for fast, source-backed answers. It is useful for comparing sources, summarizing topics, building reports, exploring current information, and using advanced models from providers such as OpenAI, Anthropic, Google, and others. Perplexity is best for students, founders, marketers, and researchers searching for an AI search engine, cited answer tool, research assistant, and alternative to traditional search.