Perplexity
perplexity.aiAsk a question, get an answer with cited sources — a smarter search engine.
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Kagi
Paid, ad-free search engine with optional AI — for people tired of cluttered results.
- Best for
- ad-free search, privacy, AI answers
- Categories
- Research & search
- Pricing
- Paid Starter $5/mo (300 searches) (official pricing)
- Beginner-friendly?
- Easy
- Official site
- https://kagi.com
- Last verified
Prices change often and may vary by country. Check the official site before you buy.
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Gemini Notebook (formerly NotebookLM)
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Consensus
consensus.appAsk a science question and see what peer-reviewed studies say.
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