Best AI Research Tools

AI-powered search engine with cited answers

Perplexity is an AI search engine that answers questions with cited sources in real time. Unlike ChatGPT, every answer includes links to source material, making it more reliable for research. Pro Search digs deeper with multi-step reasoning.

AI search engine for scientific research papers

Consensus searches across 200 million research papers and uses AI to extract and synthesize findings. For any research question, it shows what percentage of studies agree, making it invaluable for evidence-based decision-making.

AI research assistant for systematic literature reviews

Elicit automates the most tedious parts of academic research — finding relevant papers, extracting key data points, and summarizing findings across studies. Used by researchers to accelerate literature reviews and evidence synthesis.

AI research tool that shows how papers cite each other

Scite shows you how scientific papers have been cited — whether citations support, contradict, or mention the original claim. This context helps researchers quickly assess a paper's reliability and scientific consensus.

Free AI-powered academic search by the Allen Institute

Semantic Scholar is a free, AI-powered academic search engine from the Allen Institute for AI. It indexes 200M+ papers and uses AI to extract research highlights, surface related work, and identify influential citations.