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Perplexity AI
Perplexity AI is an AI-powered search and answer engine that provides direct answers to questions with citations to its sources, drawing from real-time web data. It facilitates deeper exploration through follow-up questions and focused search modes.
Key Features
- Conversational AI search with cited sources
- Ability to ask follow-up questions for context
- "Focus" modes for specific search needs (e.g., Academic, Writing, WolframAlpha for computational queries)
- File uploads for Q&A on documents (PDFs, text)
- Choice of different AI models for search (Pro).
Pros
- Provides direct, sourced answers, saving time compared to traditional search engines
- Citations allow for verification
- Follow-up questions enhance understanding
- Free tier is quite capable.
Cons
- Accuracy can still vary, and verification of sources is crucial
- Free plan has limits on Pro/Deep research queries and file uploads.
Best For
Students needing quick, sourced answers to research questions, exploring topics conversationally, and getting assistance with academic or computational queries.