Perplexity AI · Search
AI-powered answer engine that searches the web and provides cited, conversational answers to complex questions.
Pricing
Free - $20/month
Trust 89
Search
Google NotebookLM
AI-powered research notebook from Google that generates insights, summaries, and audio overviews from your documents.
What’s good
- Free to use
- Grounded in sources
- Audio overview feature
Where it falls down
- Limited to uploaded docs
- Google ecosystem
- Basic features
Features
Document analysis
Audio overviews
Source grounding
Q&A
Alternatives
Others doing the same job
Visit
Allen Institute for AI · Search
AI-powered academic search engine that uses NLP to find relevant research papers and extract key information.
Pricing
Free
Trust 88
Meta AI · Search
Free platform linking machine learning research papers with their code implementations and benchmark results.
Pricing
Free
Trust 87
Elicit · Search
AI research assistant that helps find, summarize, and extract data from academic papers for literature reviews.
Pricing
Free - $10/month
Trust 84
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