research AI tools

Consensus

Freemium

An AI search engine that answers questions with findings pulled directly from peer-reviewed research.

Scite

Paid

Smart citation index that shows how research papers have been supported or contrasted by later work.

Elicit

Freemium

An AI research assistant that finds papers, extracts findings and summarizes evidence across studies.

Google Gemini

Freemium

Google's AI assistant for writing, brainstorming and research, integrated across Google apps.

Felo

Freemium

A multilingual AI search engine that gives cited answers and builds mind maps and slides.

Genspark

Freemium

An AI search and agent platform that builds custom summary pages for each query.

Exa

Freemium

A search engine built for AI, with a neural search API that finds pages by meaning.

Mathpix

Freemium

OCR for math, science and tables that converts images and PDFs to LaTeX and markdown.

Hebbia

Paid

AI for finance and legal teams to analyze thousands of documents at once, with full citations.

Google NotebookLM

Freemium

Google's research notebook that answers from your own sources and can turn them into audio overviews.

AskYourPDF

Freemium

Ask questions about PDFs and other documents, and get cited, summarized answers.

Humata

Freemium

An AI assistant for asking questions about your files, with highlighted sources.