Perplexity

perplexity.ai

Perplexity provides an AI-powered information discovery and question-answering platform that combines large language models with real-time web search to deliver sourced, concise responses to user queries. The platform allows users to ask natural-language questions and receive answers that are grounded in cited sources, enabling verification and follow-up exploration. Perplexity supports multiple use cases, including general research, technical and coding queries, academic study, and business analysis, with the ability to refine questions through conversational follow-ups. Its product offerings include a free search experience and a subscription tier that adds access to advanced AI models, faster response times, file uploads, and extended research capabilities. The platform also offers tools for browsing topics, summarizing articles, comparing sources, and exploring related questions across the web. Perplexity integrates search, reasoning, and citation management into a single interface designed to replace or augment traditional keyword-based search workflows.