Perplexity
Answer engine that cites its sources
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Exa
Search API built for AI agents and research
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Elicit
AI research assistant for academic literature
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You.com
AI search and research APIs for developers
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Pinecone
Managed vector database for semantic search
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Tavily
Real-time web search API for RAG and agents
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Scite
See how a paper has actually been cited
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SciSpace
Read, search and question research papers with AI
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Consensus
Search peer-reviewed papers for evidence-backed answers
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