Popular
Perplexity
Research & Analysis · AI search
AI answer engine that searches the web and cites its sources for every response.
FreemiumFree tier
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NotebookLM
Research & Analysis · Document research
Google's AI notebook that grounds answers in your own sources, with audio overviews.
FreemiumFree tier
View Tool Semantic Scholar
Research & Analysis · Academic search
Free AI-powered research tool from Ai2 for discovering and understanding scientific literature.
FreeFree tier
View Tool Popular
Wolfram|Alpha
Research & Analysis · Computation
Computational knowledge engine for math, science, and data-backed answers.
FreemiumFree tier
View Tool Consensus
Research & Analysis · Academic search
AI search engine over peer-reviewed research that surfaces evidence-backed answers.
FreemiumFree tier
View Tool ResearchRabbit
Research & Analysis · Literature mapping
Research tool for discovering related papers and visualizing citation networks.
FreemiumFree tier
View Tool Julius AI
Research & Analysis · Data analysis
AI data analyst that reads spreadsheets and databases, then answers questions with charts.
FreemiumFree tier
View Tool Elicit
Research & Analysis · Academic research
AI research assistant that helps you find, summarize, and extract data from scientific papers.
FreemiumFree tier
View Tool Scite
Research & Analysis · Citation analysis
Research tool showing how papers have been cited — supporting, contrasting, or mentioning.
Paid
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