ai-search
Exa
AI search API for developers — neural + keyword hybrid for agents
Search API built for AI agents + RAG. Neural-embedding-first + keyword fallback. Free 1k req/mo, $7 per 1k thereafter. Deep Search, Contents, Answer, Monitors endpoints.
Pricing
| Tier | Price | Notes |
|---|---|---|
| Free Tier | Free | 1,000 requests/month at no cost. Access to all core products. |
| Pay-as-you-go | Free | Usage-based per endpoint. No monthly minimum. |
| Startup + Education Grants | Free | $1,000 in free credits for qualifying projects. |
| Enterprise | Custom | Custom. High-volume, custom datasets, rate limits, SLA, dedicated support. |
Limits
| Tier | Metric | Value | Notes |
|---|---|---|---|
| — | answer rate | $5 per 1k requests | Answer endpoint |
| — | contents rate | $1 per 1k pages | Contents endpoint |
| — | deep reasoning rate | $15 per 1k requests | Deep-Reasoning Search pricing |
| — | deep search rate | $12 per 1k requests | Deep Search pricing |
| — | extra results rate | $1 per 1k requests (beyond 10 results) | Extra results surcharge |
| — | index coverage | Billions of web pages, news, papers, PDFs | Index scope |
| — | monitors rate | $15 per 1k runs | Monitors |
| — | search rate | $7 per 1k requests | Search endpoint pricing |
| — | search types | neural (default), keyword, auto (hybrid) | Search types |
| — | summaries rate | $1 per 1k pages | AI page summaries |
Features
- Answer API — Query → direct answer with citations. · docs
- Category Filter — Filter to news, research papers, company, github, tweet, pdf, financial report, etc.
- Contents API — Retrieve cleaned full-text + summaries from URLs. · docs
- Custom Datasets (Ent) — Enterprise: private indexing of your own corpus.
- Deep Reasoning Search — Adds LLM reasoning on top of Deep Search.
- Deep Search — Multi-hop iterative search for complex queries.
- Find Similar — Given a URL, find semantically similar pages.
- Highlights — Extract most-relevant passages per result.
- Livecrawl — Fetch pages on-demand (bypass cache) for freshness-critical queries.
- MCP Server — Official Exa MCP for Claude Code / Cursor / Agents.
- Monitors — Scheduled recurring search → alerts on new results.
- Search API — Neural + keyword web search for agents. Returns ranked URLs. · docs
- Summaries — LLM-generated page summaries.
Developer interfaces
| Slug | Name | Kind | Version |
|---|---|---|---|
| dashboard | Exa Dashboard | other | — |
| sdk-node | exa-js | sdk | 1.x |
| mcp | Exa MCP Server | mcp | — |
| sdk-python | exa-py | sdk | 1.x |
| rest-api | Exa REST API | rest | v1 |
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Staxly is an independent catalog of developer platforms. Outbound links to Exa are plain references to their official pages. Pricing is verified at publication time — reconfirm on the vendor site before buying.