Exa is an AI search engine that provides a powerful web search API, web crawling API, and deep research tools. It allows users to search and extract structured content from websites and live data in real-time.
Exa is a real-time AI search engine designed to power agents with fast, high-quality web search. It offers a robust web search API, web crawling API, and SERP API, enabling users to search and extract structured content from websites and live data. Exa provides industry-leading web indexes for various use cases, including people, companies, code docs, financial data, and news. A key differentiator is its token-efficient content, which uses highlights to reduce LLM costs by over 50% while improving RAG evaluations. Exa also supports structured outputs, allowing for complex enrichment workflows and deep web research. It boasts enterprise-grade security with Zero Data Retention and SOC 2 Type II certification.
Best used for
Ideal for developers and data scientists who need to integrate real-time, high-quality web search into their AI agents, extract structured data from the web, and monitor web events. Especially valuable for grounding LLMs with current, token-efficient information and building complex multi-step agent workflows.
Exa offers a free tier with up to 1,000 requests per month. For paid usage, the Search API costs $7 per 1,000 requests, which includes up to 10 results. Additional results are $1 per 1,000 requests.
Can Exa extract structured data from search results?
Yes, Exa's Deep Search and Search APIs allow for structured output extraction using custom schemas. This feature is optimized for complex queries and enables deep web research with structured JSON results, ideal for enrichment workflows.
How does Exa help reduce LLM token costs?
Exa provides token-efficient content through its 'highlights' feature. This extracts only the most relevant excerpts from web pages for your query, significantly reducing the token budget and LLM costs by over 50% while improving RAG evaluations.
Does Exa offer different search types for various needs?
Yes, Exa provides multiple search types with varying latency-quality profiles, including 'instant' for real-time apps (200ms), 'deep' for complex queries (5-60s), and 'deep-reasoning' for harder research tasks (10-60s), catering to diverse agent requirements.
What kind of data can Exa's custom indexes provide?
Exa maintains dedicated high-quality web indexes for specific use cases. These include over 1 billion people, 50 million companies, 100 million research papers, and current news, financial reports, and code documentation, providing precise and relevant information.