Perplexity

Perplexity AI is an AI-powered conversational search engine designed to provide accurate, real-time answers by combining the capabilities of large language models with up-to-date internet information. Unlike traditional chatbots, Perplexity focuses on retrieval-augmented generation (RAG), pulling facts from reliable online sources and citing them directly in its responses. This ensures greater transparency and trustworthiness. It supports natural language queries, enabling users to ask questions conversationally and receive concise, referenced summaries. Perplexity is especially popular among researchers, students, and professionals for its ability to blend the intelligence of AI with the factual grounding of real-time web data. It offers both free and Pro plans, with access to advanced models like GPT-4 and Claude.