Perplexity AI is an AI-powered answer engine that replaces traditional search for factual questions. Every answer ships with inline citations, and premium data sources like PitchBook and S&P Capital IQ feed its professional research modes. The multi-model backend routes each query to the best model from OpenAI, Anthropic, Google and others.
In 2026 the line-up includes the free Standard plan, Pro at $20/month ($17/month billed annually) with Perplexity Computer and 4,000 bonus credits, and Max ($167/month billed annually) for maximum Computer usage and early access features.