Perplexity
Perplexity AI
AI-augmented search. Cited answers, consumer + Sonar API.
Hybrid search engine that returns synthesized answers with inline citations rather than a list of links. Ships a consumer product and the Sonar API for adding cited search to your own apps and agents.
Worth knowing
Backed by Nvidia and Jeff Bezos; its valuation reached roughly $20B in 2025, up from $500M at the start of 2024.
- search
- citations
- consumer
- api