Best Free AI Research & Data Analysis Tools

Google's AI research assistant. Upload PDFs, docs, and notes — it answers questions based only on your sources. Includes Audio Overviews.

AI research assistant for literature reviews. Search 200M+ academic papers, extract key findings, and synthesize evidence tables.

AI data analyst. Upload spreadsheets or datasets and ask questions in plain English. Generates charts, stats, and insights instantly.

Smart citation analysis tool. See how many papers support, contrast, or merely mention a scientific claim. Essential for academic work.

Chat with any PDF document. Upload research papers, textbooks, or contracts and ask questions to extract key information instantly.

AI search engine for scientific research. Find what the evidence actually says on any topic from 200M+ peer-reviewed papers.

Free AI-powered academic search engine by the Allen Institute. Find and understand research papers with AI-generated summaries.

Conducts multi-step research autonomously — searches the web, reads sources, and synthesizes a comprehensive cited report.