Perplexity AI
Free tierAI-powered search engine that answers questions with cited, up-to-date sources.
Free tier available·All audiences·Powered by Perplexity / OpenAI / Anthropic·API available
Key strengths
real-time web searchcited sourcesSonar APIfollow-up questions
Free tier + paid plans · from $20 USD/mo
San Francisco, US
Founded 2022
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- Grounded RAG: use Sonar as the retrieval step instead of building your own web scraper
- Competitive intelligence: automated daily summaries of competitor news
- Research pipelines: chain Sonar queries to gather data for analysis agents
- Fact-checking: verify claims with citation-backed responses