Research lives and dies by sources: finding the right papers, checking what they actually say, and keeping summaries grounded. Generic chatbots aren't enough — you need tools built around citations and real literature.
A research workflow from the verified catalog: cited answer engines, academic paper discovery and citation checking, and document summarization for PDFs and notes — most with real free plans.
AI answer engine with cited, up-to-date sources.
Best for Research questions that need cited sources
AI search engine that answers questions using findings from research papers.
AI research assistant for finding, summarizing, and extracting data from papers.
Free AI-powered academic search engine for research papers.
AI tool that shows how academic papers are cited by later research.
AI-powered tool for discovering and mapping related academic papers.
Google's AI research assistant that summarizes and answers questions from your own documents.
AI tool that summarizes academic papers and articles.
Add these picks to the stack builder to see the total monthly cost and spot overlapping subscriptions.
A typical setup covers: Research with citations, Academic paper discovery, Document summarization. Verified starting points from our catalog: Perplexity, Consensus, Elicit, Semantic Scholar, scite, ResearchRabbit.
Yes — Perplexity, Consensus, Elicit, Semantic Scholar, scite offer a verified free plan.
8 of the tools on this page have a verified free plan, and verified paid plans start from $9.99 per month on a monthly-billing basis. The stack builder totals whatever combination you pick.
Start from your use case, then compare: Source citations you can check, Coverage of academic papers, PDF and document analysis, Price and free plan (monthly-billing basis), Privacy and data handling. Prices on ToolScanner are verified on a monthly-billing basis, so you're comparing like for like.
They're independent products, but the suggested workflow above shows how the pieces fit, and most people combine several. Use the stack builder to check the combined monthly cost and overlapping features before subscribing.