Exa

概述

Exa is a neural web search API built for AI applications, returning meaning-based results and full page content rather than keyword-matched links. It is designed for retrieval in agents and RAG systems, with endpoints for search, content retrieval, and similarity. Pricing is usage-based, with free credits to start.

主要功能

• Embeddings-based semantic web search
• Full page content retrieval for RAG
• Find-similar and structured answer endpoints
• Built for agents and AI pipelines

适用场景

• Grounding AI answers in fresh web content
• Research agents that need meaning-based search
• Finding pages similar to a reference URL

定价

Pricing is usage-based per search and content request; new developers receive free credits.

常见问题

How is Exa different from a normal search API?

Exa uses neural, meaning-based retrieval and can return full page content, which suits AI and RAG use.

Who is Exa for?

Exa is aimed at developers building AI applications, agents, and retrieval systems.

How is Exa priced?

Exa is usage-priced per request, with free starter credits.

同类产品

• Andi — 对话式 AI 搜索引擎，直接回答问题并总结网页，而非展示由广告驱动的链接。
• Comet — Perplexity 推出的 AI 浏览器，内置助手可回答问题并跨页面执行任务。
• Consensus — AI 答案引擎，可从经过同行评审的科研论文中检索并总结研究结论。
• Elicit — AI 研究助手，可检索、筛选并总结学术论文，帮助回答研究问题。
• Felo — 多语言 AI 搜索引擎，可生成带来源的答案与思维导图式摘要。
• Genspark — 从 AI 答案引擎发展为一站式“Super Agent”工作台，覆盖搜索、幻灯片、文档与任务自动化。

查看Exa的全部替代品 → · 查看全部答案引擎产品 →

来源

• Official website ↗
• Documentation ↗

本记录最近复核于 2026-07-29。

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