Exa

Exa is a web search API for AI agents starting with a free tier of 20,000 requests per month. It provides semantic web search, content extraction with token-efficient highlights, deep research agents, and configurable latency between 180ms and 1 second. Paid tiers include Search at $7 per 1k requests, Agent runs from $0.012 to $1.00 per run, Contents at $1 per 1k pages, and Deep Search at $12-15 per 1k requests. Best for developers building AI agents that need real-time web context, such as coding agents, chatbots, news monitors, and enrichment tools.