VibeShelf / Research / Perplexity
Perplexity
AI answer engine with cited sources.
Research Free plan + paid
Perplexity alternatives
Other research tools on VibeShelf (answer engines and research assistants). See the full Perplexity alternatives guide →
Gemini Notebook
Formerly NotebookLM: source-grounded research notebooks that answer from your documents and can run code.
FreeElicit
AI research assistant for academic papers.
Free plan + paidConsensus
AI search engine for scientific research.
Free plan + paidExa
Search API built for AI apps and agents.
Free plan + paidIs this your tool?
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