
Perplexity
8.2#1 in ai research assistantsFrom $20 a monthFree planAndroidiOSWebAPI
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Perplexity suits people who want cited answers from web, file, and connected-app searches. Its higher-tier plans are designed for professionals, writers, strategists, researchers, and other power users.
PropensityAI suits people seeking cited answers across mixed media, documents, and research papers. Team and Enterprise plans are described for shared internal knowledge and secure deployments, respectively.