Perplexity
Research
Cited web research assistant for source-backed answers without a blank chat rabbit hole.
FreemiumFree plan available
Category
Best AI research tools in 2026
Tools for finding, reading, and summarizing information.
NotebookLM
Research
Document-grounded research that turns uploaded sources into briefings and audio overviews.
FreemiumFree to use with a Google account
Consensus
Research
Consensus is an academic search tool for peer-reviewed papers.
Freemium
Elicit
Research
Elicit searches academic papers and builds cited reports and tables from them.
FreemiumUSD
Avidnote
Research
Avidnote is an AI tool for research writing, reading, and data analysis.
FreemiumFree plan at $0
Document Crunch
Research
Document Crunch is an AI risk review tool for construction contracts, specifications, and project documents.
Paid
iWeaver
Research
iWeaver is a set of AI agents that summarize and write from your personal documents, video, and other knowledge.
FreemiumFree $0/month
Paper Digest
Research
Paper Digest is an AI research platform for literature review, paper reading, writing, and daily paper digests from arXiv and other sources.
FreemiumFrom $10.99 USD/month