Elicit

Consensus

Freemium

Consensus is an AI-powered academic search engine built around a single, powerful idea: instead of just finding papers, it tells you what the science actually says. Consensus searches through 220 million+ peer-reviewed research papers and provides the best insights from them, helping researchers find better papers, faster. Ask it a research question in plain English — "Does intermittent fasting improve metabolic health?" or "What is the most effective treatment for adolescent anxiety?" — and it returns not just a list of studies but a synthesized, evidence-backed answer drawn directly from the peer-reviewed literature, with each claim traceable to its source paper. Consensus features AI-enabled search filters that are among the most sophisticated available, allowing researchers to filter studies by sample size, population type (human, animal, or in vitro), study design (meta-analyses, systematic reviews, RCTs, observational studies), and journal prestige — ensuring you always reach the most authoritative, relevant evidence for your specific question. The Study Snapshot feature gives you a one-click summary of any paper's population, methodology, sample size, and duration right on the results page, eliminating the need to open each paper just to assess relevance. Its Deep Research feature goes further still — automatically creating and running a full search strategy, finding and screening up to 1,000 papers, then providing a detailed report on the top 50 most relevant papers — a task that would previously take days of manual work. The Consensus Pro subscription costs $120 per year or $15 per month and provides unlimited Pro Analysis with AI-powered summaries of up to 20 papers per search, unlimited Study Snapshots, and 15 Deep Reviews per month across up to 50 papers per review. The free tier gives unlimited basic searches to get started. For students writing literature reviews, clinicians checking treatment evidence, policy makers assessing what research supports, and academics who need quick, reliable answers grounded in science, Consensus is one of the most uniquely valuable AI tools in the academic space.

Scispace

Freemium

SciSpace (formerly Typeset.io) is an all-in-one AI research platform that acts as a tireless research assistant capable of reading, explaining, summarizing, and organizing scientific literature for you. The SciSpace AI Super Agent links 150+ research tools, searches 280 million papers, runs systematic reviews, drafts manuscripts, and matches journals — cutting research time by up to 90%. What sets it apart from search-only tools is its depth of interaction with individual papers: the AI Copilot lets you upload any PDF and have a full conversation with it — asking follow-up questions, requesting plain-language explanations of complex methods, or getting a breakdown of confusing equations and tables — all with cited, traceable answers drawn from the document itself. SciSpace's Chat with PDF feature offers precise answers directly sourced from specific sections of a document, complete with citations, providing concise overviews, detailed explanations, or recommendations for related research based on highlighted text — all with a single click. Its Literature Review tool answers research questions by drawing from 200+ million papers organized into fully customizable column tables — methodologies, conclusions, key findings, limitations — that can be filtered by journal ranking, PDF availability, and publication date. The Topic Finder helps PhD students and early-career researchers identify research gaps and emerging trends in their field, while the AI Writer and paraphraser support the writing stage without leaving the platform. SciSpace's AI research agent orchestrates over 150 specialized tools to handle complex research tasks including paper search, systematic reviews, manuscript drafting, journal identification, and patent searches — all triggered by simple natural language instructions. SciSpace uses a freemium model: the free tier covers paper explanations, asking questions, and basic summaries. The Premium plan costs $12 per month, and the Teams plan is $20 per user per month for collaborative research groups. For graduate students, PhD researchers, academics reading across disciplines, science journalists, and research teams who need to process large volumes of literature quickly and accurately, SciSpace is one of the most comprehensive and accessible AI research tools available today.