Kagi Search records 4,647,605 monthly visits with +3.2% month-over-month growth and Free Trial, Paid pricing. Serpex records 2,405 monthly visits with -34.3% growth and Freemium, Free Trial, Paid pricing.
A paid, ad-free search engine that answers to its users
Affordable real-time search API that returns structured JSON plus page content in a single call.
| Dimension / Metric | | |
|---|---|---|
| Official Domain | kagi.com | serpex.dev |
| Pricing Model | Free Trial, Paid | Freemium, Free Trial, Paid |
| Monthly Visits | 4.65M (4,647,605) | 2.41K (2,405) |
| MoM Traffic Delta | +145.18K (+3.2%) | -1.26K (-34.3%) |
| Primary Market & Share | 🇺🇸 United States (56.4%) | 🇮🇳 India (91.3%) |
| Direct Visits / mo | 4.38M | 936 |
| User Rating | 4.7 | 4.3 |
| Supported Platforms | Website | Website |
A paid, ad-free search engine that answers to its users
Subscriptions replace advertising, so there are no sponsored results, affiliate links, or data sales influencing what you see.
Rank any website up or down, pin favorites, or block domains entirely so your results match your own standards.
Append a question mark to get an AI answer above the results, or chat with the Assistant for deeper tasks with sources included.
Restrict searches to categories like forums or news, or jump straight into a specific site's own search with shortcuts.
Affordable real-time search API that returns structured JSON plus page content in a single call.
Send a query and receive live web results as clean, structured JSON that is ready for parsing, ranking or feeding into a model.
Convert any URL into clean, readable markdown in the same API key, removing boilerplate so retrieved text is directly usable for RAG and summarization.
Requests are routed across multiple underlying search sources with health monitoring and automatic retries, so a single empty source does not break your pipeline.
Official libraries and snippets for Python, JavaScript, MCP and LangChain make it a few lines of code to add live search to an agent or app.
SpecialistDelivers top-tier reasoning and web search capabilities, but lacks Kagi's dedicated focus on ad-free search results.
SpecialistDelivers top-tier reasoning and web search capabilities, but lacks Kagi's dedicated focus on ad-free search results.
SpecialistExcels at complex analysis and document interpretation, but lacks Kagi's core web search engine capabilities.
SpecialistExcels at complex analysis and document interpretation, but lacks Kagi's core web search engine capabilities.
Stronger conversational AI answers and live web citations, but lacks Kagi's pure ad-free traditional search results.
Stronger conversational AI answers and live web citations, but lacks Kagi's pure ad-free traditional search results.
Provides advanced agentic research and multi-source synthesis, though it has a busier interface than Kagi.
Provides advanced agentic research and multi-source synthesis, though it has a busier interface than Kagi.
SpecialistSpecializes in searching peer-reviewed scientific literature with citations rather than general web search.
SpecialistSpecializes in searching peer-reviewed scientific literature with citations rather than general web search.
Free / Open-sourceWeb data API that turns any site into clean, AI-ready content
Free / Open-sourceWeb data API that turns any site into clean, AI-ready content
One API key for agent-grade web search, fetch, browsing and automation
Web search API and crawler built for AI agents
Delivers structured, cited answers to natural language questions, but lacks Kagi's comprehensive traditional web index.
Delivers structured, cited answers to natural language questions, but lacks Kagi's comprehensive traditional web index.
Real-time search engine scraping API with structured JSON, HTML, or Markdown output
Real-time search engine scraping API with structured JSON, HTML, or Markdown output
Search foundation built from embeddings, rerankers, and reader APIs
SpecialistProxies and web data APIs for scraping and AI pipelines
SpecialistProxies and web data APIs for scraping and AI pipelines
