Directory / Agent infrastructure / Exa
Exa
Search the largest index of public web and private information: search, contents, deep research and monitoring APIs built for AI agents.
💲 Pay-as-you-go, no subscription. Free tier: $10 in credits that resets monthly (up to 2,500 Lite searches). Search Lite $4/1k, Auto $7/1k, Contents $1/1k pages, Deep Search $12–15/1k; Enterprise custom. Source: exa.ai (checked Oct 20, 2026).
Pros & cons
👍 Pros
- Token-efficient highlights instead of full page text
- Hosted MCP server and agent skill for coding agents
- Free monthly credits to start, no card required
👎 Cons
- Per-request billing adds up at high volume
- Advanced options (custom indexes, ZDR, higher limits) need Enterprise
Latest release
Exa 3.0
Biggest search-quality update yet: a larger embedding model, Dynamic Highlights GA (95% fewer tokens than full page text), billions of new documents, and a new Exa Lite tier at $4 per 1,000 requests. Source ↗
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