Perplexity AI Overview
Pro stress-test →Perplexity AI is an AI-powered search engine that uses large language models to generate responses to user queries by searching and summarizing web-based content, providing responses based on current Internet content with cited sources. The company is an American privately held software company offering a web search engine that processes user queries and synthesizes responses.
Strategic Profile
Pro stress-test →In February 2026, Perplexity transitioned to a subscription-first model by discontinuing its AI-integrated advertising strategy, with leadership stating the move was intended to preserve user trust in the "answer engine," prioritizing objective results over ad revenue. As of early 2026, Perplexity AI reached a valuation of $21.21 billion following its Series E-6 funding round, positioning it as a leading challenger to traditional search incumbents.
Competitive Landscape
Pro stress-test →Perplexity's top competitors include Genspark, AI Hay and ChatGPT. Perplexity holds between 6.4% and 8.03% market share of AI chatbots in 2026, positioning itself as the third player behind ChatGPT (82.65%) and Microsoft Copilot (7.22%). Perplexity ranks 1st amongst 43 active competitors in terms of total funding among its competitors.
Industry Context
Perplexity AI operates in AI-Powered Search & Enterprise Software.
Key facts
Founded: 2022 · Headquarters: San Francisco, US · Employees: 90-100 · Revenue: $150-200M ARR (September-December 2025)