NotebookLM
By Google
Upload sources (PDFs, websites, YouTube) and chat with them; generates podcasts, briefings, and study guides.
Best for
- source-grounded research
- literature review
- audio briefings
Other Research & search
Elicit
Academic research assistant that searches papers, extracts findings, and builds evidence tables across studies.
You.com
Conversational AI search platform that switches between models (GPT, Claude, Gemini) and runs custom agents for research and content workflows.
Genspark
AI research engine that synthesizes "Spark Pages" — comprehensive multi-source research documents — instead of just listing links.
Phind
AI search assistant for developers — understands code, reads docs, and explains errors with working code examples and source citations.
Komo
Fast, ad-free AI search engine focused on privacy and clean answers, with no tracking or ad-injected results.
Felo
Multilingual AI search engine that produces structured research summaries with mind maps and source-grounded answers.
Andi
Conversational AI search that summarizes pages directly and shows visual answers — pitched as a Google alternative for everyday lookups.
SciSpace
End-to-end research workspace covering 280M+ papers — discover, read with an AI co-pilot, and write literature reviews in one place.