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Exa (formerly Metaphor)
Search
Freemium

Exa (formerly Metaphor)

Neural search engine for AI. Rebranded from Metaphor, Exa provides semantic web search and content extraction optimized for LLMs and RAG pipelines.

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Rating
0
Reviews
0
Upvotes
4 months ago
Listed
AI Search
Semantic Search
RAG
Web Scraping
Data Extraction
AI Agents
Developer Tools
Knowledge Graph
Tool information
Provider
Exa Labs
Platforms
Web
API
Languages
English
API Available
Yes
Added to directory
4 months ago
Last updated
about 2 months ago
Rating
Not available
Pricing
Freemium

About Exa (formerly Metaphor)

What the tool does and who it's for

Exa (formerly known as Metaphor) is a search engine designed specifically for AI agents and LLMs. Unlike traditional keyword-based search engines, Exa uses a neural link-prediction model that understands natural language prompts to find the most relevant web content. It treats the web as a machine-readable knowledge graph, allowing users to search by 'vibe' or technical attributes. It provides API endpoints for semantic search, full-content extraction, and 'crawlless' web data retrieval, enabling developers to build RAG pipelines, news monitors, and research tools that bypass traditional search SEO clutter.

Key capabilities

Neural Search: Uses embeddings to understand complex natural language prompts rather than just keywords.
Contents API: Efficiently retrieves full-page text or highlights optimized for LLM context windows.
Find Similar: Capability to take a URL and find semantically similar pages across the web.
Websets: Build massive datasets of verified web data (e.g., 'every AI startup in SF') with custom fields.
Live Crawl: Real-time web crawling ensures results are up-to-date and not just cached historical data.
Deep Search: Multi-step agentic workflows that research complex queries with structured outputs.
Monitors: Set up webhooks to track new events or updates across the web at a specific cadence.
Extensive Integrations: Native support for LangChain, LlamaIndex, Zapier, and Google Cloud Vertex AI.

Pricing

Freemium — plans below

Free

$0

  • 1,000 free requests per month
  • Access to Search and Contents API
  • Limited Websets results (up to 25)
  • Standard community support

Starter / Core

Most popular

$49/mo

  • 8,000 credits per month
  • Search: $7 per 1k requests
  • Contents: $1 per 1k pages
  • Access to Monitors and Answer API
  • Standard rate limits

Pro

$449/mo

  • 100,000 credits per month
  • Higher rate limits (QPS)
  • Advanced Websets features
  • Priority support

Enterprise

Contact sales

  • Up to 1,000 results per search
  • Zero Data Retention (ZDR)
  • Custom MSAs and SLAs
  • Dedicated onboarding and support

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