Perplexity AI, Inc. is a private San Francisco company founded in August 2022 by Aravind Srinivas, Denis Yarats, Johnny Ho and Andy Konwinski. Its answer engine replies to questions with written answers and numbered citations. Sacra estimates annualized revenue at about $750 million in August 2026, and the company's last confirmed valuation is $20 billion (September 2025).
What does Perplexity do?
- Answer engine: live web search plus an AI-written answer with sources (Free, Pro at $20/month, Max).
- Enterprise Pro / Max: per-seat plans that also search internal files.
- Sonar API: search-grounded answers for developers.
- Comet (2025): a Chromium-based AI browser.
- Computer (2026): an agent that completes multi-step tasks.
How does Perplexity make money?
Mostly from consumer and enterprise subscriptions, plus usage-based fees for the Sonar API and the Computer agent. Sacra puts annualized revenue at about $232 million at the end of 2025 and about $750 million in August 2026.
Who owns Perplexity?
Its founders, employees and venture investors, including IVP, NEA, Accel, SoftBank Vision Fund 2, Nvidia and Jeff Bezos. Valuation rose from $520 million (January 2024) to $9 billion (December 2024) and $20 billion (September 2025). In August 2026, Nvidia was reported to be in talks to invest at more than $30 billion.
Who is the CEO?
Aravind Srinivas, a former OpenAI research scientist with a UC Berkeley PhD, has been CEO since 2022. Denis Yarats is CTO.
Competitors
Google (AI Overviews, AI Mode, Gemini), OpenAI (ChatGPT search, Atlas), Microsoft Copilot, Anthropic Claude and, in enterprise search, Glean.
Legal issues
Amazon sued over Comet's shopping agent. On August 4, 2026, the Ninth Circuit vacated the preliminary injunction Amazon had won in March. Publisher suits from Dow Jones, The New York Times, Britannica and Merriam-Webster, Reddit and others are still pending.
2026 developments
Perplexity signed a three-year Microsoft Azure agreement in January, launched Computer in February, and announced an HP PC preload and a Crusoe GB300 compute deal on September 15, 2026.