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AI as a Service

Perplexity

  • Freemium
  • Cloud

Verified Sep 2026

The answer engine, as an API

The Sonar API gives agents live web search with citations: grounded answers without building your own search stack.

The AI answer engine: search-grounded responses with citations, Sonar APIs for developers. The consumer search-disruption story.

Who it's for

Teams and developers who want AI search with live web grounding and citations.

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Concepts in the glossary

1 in catalog

Perplexity features

1 in catalog

Perplexity is an alternative to