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Perplexity

Perplexity is an AI tool for students. AI answer engine that searches the web and cites its sources. Pricing: freemium, Free plan; see vendor pricing (as of 2026-10).

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What it does

Perplexity answers questions using live web search and presents links to the sources it used. It is suited to research, comparison shopping and fact-finding where citations matter.

Best for

People who need cited answers from current web sources.

• Web research
• Source discovery
• Comparison research

Pricing

Freemium: Free plan; see vendor pricing

Free plan and paid tiers are listed on the vendor pricing page. Official source checked 2026-10-30.

As of 2026-10. Source: https://www.perplexity.ai/pro. Last verified 2026-10-30.

Alternatives

• Gemini Notebook (formerly NotebookLM): Source-grounded AI research notebook for summaries, questions, and study aids.
• Elicit: AI research assistant for literature review, evidence synthesis, and structured analysis.
• ChatGPT: General AI assistant for drafting, analysis, brainstorming, and working with files.

FAQ

What is Perplexity used for?

AI answer engine that searches the web and cites its sources. People who need cited answers from current web sources.

How much does Perplexity cost?

Freemium. Free plan; see vendor pricing (as of 2026-10, per the vendor pricing page). Free plan and paid tiers are listed on the vendor pricing page. Official source checked 2026-10-30.

What are alternatives to Perplexity?

Other students tools in this directory include Gemini Notebook (formerly NotebookLM), Elicit, ChatGPT.

Last updated 2026-10-30. Perplexity is a trademark of its owner; this site is independent and not affiliated.