According to AI Tier List, Exa.ai (Tier A) ranks higher than Kagi Search (Tier B) for AI Search Engine. Exa.ai is an AI-powered search engine for complex queries.
 |  | |
|---|---|---|
| Tier | Tier A | Tier B |
| Rating | 4 / 5 | 3 / 5 |
| Pricing | Freemium | Paid |
| Category | AI Search Engine | AI Search Engine |
| Best For | ai search, information retrieval, complex queries, data discovery, web search | privacy, search-engine, ai-summarization, ad-free, personalized-search |
Highly targeted search, complex query processing, accurate information discovery, efficient data exploration, AI agent-optimized API
Lower public brand awareness, potential cost scaling issues based on API usage, requires complex setup
Privacy-focused, Ad-free search, AI summarization, Personalized results, AI agent integration (MCP)
Paid service, Low market share, Limited free trial, Relatively fewer Korean search results
