Exa
FreeLanguage model powered search.
FreeFree tier
About Exa
Exa is a modern AI search engine built specifically for AI agents, offering a single API for search, web crawling, and deep research. It provides real-time web data with token-efficient highlights that reduce token usage by up to 90%, and supports both low-latency (sub-200ms) and deep research capabilities. Exa powers applications for coding agents, chatbots, news monitoring, and more, with structured outputs and grounded citations. It indexes billions of webpages and uses proprietary embedding models. Trusted by over 400,000 developers and companies like Cursor, Cognition, HubSpot, and Monday.com.
Key Features
Unified API for search, crawling, and deep research
Token-efficient highlights reducing token usage by up to 90%
Structured output extraction from web content
Configurable latency from sub-200ms fast search to deep research
Web crawling with custom livecrawl policies
Monitors for tracking new events and updates at specified cadences
Exa Connect for access to leading data providers
Best-in-class accuracy on benchmarks FRAMES, Tip-of-Tongue, and Seal0
Pros & Cons
Pros
- Highest accuracy on demanding retrieval benchmarks
- Token-efficient highlights save LLM context costs
- Flexible latency options cater to both speed and depth
- Structured outputs with citations for reliable AI applications
- Supports both web search and content crawling in one API
- Free tier available with $20 credits and $10 monthly credits
- Trusted by major AI companies and 400,000+ developers
Cons
- Not self-hostable; relies on Exa's cloud API
- Pricing can become expensive at high request volumes
- Limited customization beyond provided API parameters
- No explicit open-source code or local deployment option
Best For
Coding agents searching over GitHub repos, docs, and Stack OverflowChatbots retrieving real-time web informationNews monitoring and event trackingCompany and people enrichment with structured dataVoice agents requiring web groundingPeople search and company search applications
FAQ
What is Exa?
Exa is an AI-powered search engine API designed for AI agents, providing search, web crawling, and deep research capabilities through a single endpoint.
How does token-efficient highlights work?
Exa uses a specialized model to extract the most relevant excerpts from web pages, reducing token consumption by up to 90% compared to full page contents.
What pricing plans are available?
Exa offers a free tier with $20 credits on sign-up and $10 monthly credits. Paid plans start at $7 per 1k requests for search, $12-15 per 1k for deep search, $1 per 1k pages for contents, and $15 per 1k for monitors. Agent pricing starts at $0.012 per run.
What latency options does Exa offer?
Exa supports configurable latency from sub-200ms for fast search queries up to 1 second for deep research, allowing trade-offs between speed and comprehensiveness.
Can Exa be used for real-time data?
Yes, Exa provides real-time web search data and can be configured with livecrawl policies to fetch fresh content.
Who uses Exa?
Exa is used by over 400,000 developers and companies including Cursor, Cognition, HubSpot, OpenRouter, and Monday.com.