AI research assistant for academic literature
Elicit searches academic literature and extracts key findings, methods, sample sizes, and limitations from papers automatically. It finds papers beyond keyword search using semantic understanding, then synthesizes findings across multiple studies. Essential for researchers, grad students, and evidence-based content creators.
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The AI-powered answer engine with citations
Perplexity AI answers complex research questions with cited, real-time web sources and supports multi-step research flows. Pro mode unlocks GPT-4o, Claude, and Grok models, plus image uploads, PDF analysis, and unlimited file attachments. The best research tool for knowledge workers who need current, sourced answers.
AI search engine for scientific research
Consensus searches 200M+ scientific papers and provides AI-synthesized answers with claims supported by specific studies. The Consensus Meter shows how much scientific evidence supports or contradicts a claim. Ideal for evidence-based medicine, policy research, and fact-checking.
Smart citation analysis for research
Scite.ai analyzes how papers cite each other — showing whether citations are supporting, contrasting, or mentioning a claim. Its Assistant uses Smart Citations to answer research questions with referenced scientific evidence. Helps researchers evaluate the credibility and consensus around specific claims.
Chat with any PDF document
ChatPDF lets you upload any PDF and ask questions about its contents in natural language. Ideal for analyzing research papers, legal contracts, financial reports, and textbooks without reading every page. Generates summaries, answers specific questions, and extracts key data points instantly.