Perplexity
by Perplexity AIAnswer engine that cites its sources, with deep research.
14 AI tools in the Search & research category, with their features, pricing and official link.
Answer engine that cites its sources, with deep research.
Analyse your documents, ask questions and generate audio overviews.
Answers grounded in published scientific research.
Research assistant: finds, summarises and extracts data from papers.
Read and understand scientific papers with an AI copilot.
Shows how a paper is cited: supported, contrasted or mentioned.
Free scientific search engine with automatic TL;DRs.
Visual mapping of the scientific literature around a topic.
Graph of related papers to explore a research field.
AI search and research agents for professionals.
Ad-free search engine with a multi-model AI assistant.
Web search engine built for AIs and developers (API).
Multilingual AI search that also creates slides and mind maps.
Super agent that researches and builds pages, slides and sheets.
No AI matches. Try another word (e.g. “video”, “translation”, “PDF”).
Among the most used: Perplexity, NotebookLM, Consensus, Elicit, SciSpace, Scite. AnnuIA lists 14 of them, with their features and pricing.