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Perplexity Labs

Perplexity's experimental features, including Deep Research

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The most recently approved AI tools people use as an alternative to Perplexity Labs (Perplexity's experimental features, including Deep Research), newest first.

Inciteful
Inciteful

Map a paper's citation network to find what matters

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Semantic Scholar
Semantic Scholar

Free AI academic search from the Allen Institute for AI

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SciSpace
SciSpace

AI paper reader, formerly Typeset

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Connected Papers
Connected Papers

Visual map of how academic papers relate to each other

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Lens.org
Lens.org

Free, open patent and scholarly search covering 330M+ records

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Explainpaper
Explainpaper

Highlight a confusing paragraph, get a plain-language explanation

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