1
NotebookLM
FREEMIUM · FREE
Google's AI notebook that grounds answers in your own sources.
Best AI tools for research
Research AI is where citation accuracy matters most. The leaders here all ground their answers in sources: Perplexity for the open web, Consensus and Elicit for academic papers, NotebookLM for your own document set, and Hebbia for enterprise document analysis. PDF-chat tools (Humata, AskYourPDF) cover everything else.
2
Connections
FREEMIUM
AI tool that maps relationships between people and ideas.
3
Mem
FREEMIUM · $14.99/MO
Self-organizing AI workspace that connects notes for you.
4
Reflect
PAID · $10/MO
Networked note-taking app with built-in GPT-4 assistant.
5
Heptabase
PAID · $8.99/MO
Visual knowledge tool with whiteboards and AI insights.
6
You.com
FREEMIUM · $15/MO
Multi-mode AI search with agents for research and writing.
7
Perplexity
FREEMIUM · $20/MO
AI answer engine that cites sources for every claim.
8
Elicit
FREEMIUM · $12/MO
AI research assistant that automates systematic literature reviews.
9
Consensus
FREEMIUM · $11.99/MO
AI search engine for peer-reviewed scientific papers.
10
Hebbia
PAIDHAS AGENT
Enterprise AI for analysts working across thousands of documents.
11
Phind
FREEMIUM · $20/MO
Search engine for developers, with explanations and code.
12
Humata
FREEMIUM · $9.99/MO
AI for analyzing technical and legal documents.