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Research & Knowledge.

AI agents designed to search, synthesize, and surface information from the web, academic papers, and large corpora. Ranked by aggregate score from 4 published community and editorial evaluations. Top of this catalog: Exa AI.

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01Exa AIExa · Free tier (1000 searches/mo); Pay-as-you-go $0.25/1000 requests; Enterprise custom · BrowserExa is a neural search API designed specifically for AI agents and developers, using embedding-based semantic search to find highly relevant content that keyword search misses. Unlike traditional search APIs, Exa excels at finding content that is conceptually similar rather than textually matching, making it ideal for research agents and RAG pipelines. Exa is increasingly embedded as the default web search tool in agentic frameworks like LangChain and CrewAI.BrowserEasy setupProprietary (Exa neural search models)0.00 reviews
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