
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.
Praxa may suit individuals or teams who want an AI agent to carry ongoing goals across days and connect with their work apps. Its memory controls and approval requirements may matter to users managing what the agent can retain or do.