Paid, ad-free, privacy-respecting search engine with built-in AI assistants and a developer search API.
Paid, ad-free, privacy-respecting search engine with built-in AI assistants and a developer search API.
Kagi (pronounced kah-gee) is a subscription-based search engine that has quietly become one of the most respected alternatives to Google for power users. Because Kagi sells search instead of ads, it can rank results by relevance, demote SEO spam, surface authoritative sources, and offer features like personalized site weights, lenses (custom search verticals), and the ability to permanently block low-quality domains from your results. On top of search, Kagi bundles The Assistant, a multi-LLM chat interface that lets paid users talk to GPT-4-class, Claude-class, Gemini, and several open models without separate subscriptions; an FastGPT instant-answer endpoint; and a Universal Summarizer that can read articles, PDFs, and YouTube videos. For developers, the Kagi Search API exposes Kagi's high-quality web index for use in RAG pipelines and agent tools, with usage-based pricing that is competitive with SerpAPI-class providers. Consumer plans include Starter ($5/mo, 300 searches), Professional ($10/mo unlimited search + Assistant), and Ultimate ($25/mo with premium models and higher limits). Family plans share access across household members. Kagi is popular among researchers, engineers, journalists, and AI builders who want better signal-to-noise in their searches and a privacy posture that rules out third-party ad tracking.
Was this helpful?
Kagi is widely praised by power users and privacy advocates as the best premium search engine available in 2026. Users consistently highlight the dramatic improvement in search result quality over ad-supported alternatives, the powerful domain customization features, and the integrated AI assistant. The main criticism centers on the subscription cost, though most long-term users consider it worthwhile given the time saved and result quality improvement.
Kagi's subscription model completely removes advertising from search results, eliminating the commercial bias that causes ad-supported engines to prioritize SEO-optimized and sponsored content over genuinely useful information. The ranking algorithm focuses on content quality, authority, and relevance rather than advertising spend or commercial optimization.
Use Case:
Researchers needing unbiased information sources, developers searching for technical documentation without wading through SEO spam, consumers comparing products without affiliate-driven results influencing rankings, and professionals who need accurate information without commercial filtering.
Users can customize their search experience by raising or lowering the ranking of specific domains, completely blocking unwanted sites, and pinning trusted sources to always appear prominently. These preferences persist across all searches and accumulate over time, creating a truly personalized search environment that no ad-supported engine can replicate.
Use Case:
Block content farms and low-quality aggregator sites permanently, boost results from trusted documentation sites like MDN or official docs, promote academic sources over commercial ones for research, or customize search for professional versus personal contexts.
Kagi's AI Assistant is built directly into the search experience, offering Quick mode with standard models (Gemini 2.5 Flash, GPT 5 Mini, DeepSeek V3.2, Qwen3-235B) on Starter and Professional plans, and Research mode with flagship models (Claude 4.6 Opus, GPT 5.4, Gemini 2.5 Pro, Grok 4) on the Ultimate plan. This allows AI-powered research, summarization, and reasoning without leaving the search interface.
Use Case:
Synthesize information from multiple search results into a coherent summary, get AI explanations of complex technical topics, conduct deep research with flagship models on Ultimate, or quickly understand unfamiliar subjects without clicking through dozens of links.
Privacy is fundamental to Kagi's architecture rather than an optional setting. There is no behavioral tracking, no search history monetization, no advertising profile construction, and no data sharing with third parties. The subscription model removes the business incentive to collect and sell user data entirely.
Use Case:
Conduct sensitive legal or medical research without creating a trackable search history, protect journalistic source research from surveillance, avoid behavioral profiling that influences pricing and content targeting, or simply search without being the product.
Kagi automatically credits your account if you do not use the service during a billing month, effectively making the following month free. This fair pricing policy means you only pay for months you actually use the service, reducing the risk of subscribing and addressing a common complaint about subscription services.
Use Case:
Subscribe without worrying about months with lighter usage, travel periods where you search less, or seasonal work patterns where search needs vary significantly throughout the year.
Kagi offers search lenses that let users filter results by content type or source category, such as forums only, academic papers, news, or programming resources. Combined with domain ranking, this creates highly targeted search experiences for different workflows and research needs.
Use Case:
Search only programming forums and documentation when debugging code, filter to academic sources for literature reviews, narrow results to recent news for current events research, or create custom search contexts for different professional tasks.
$5/mo
$10/mo
$25/mo
Custom
Ready to get started with Kagi?
View Pricing Options →Kagi works with these platforms and services:
We believe in transparent reviews. Here's what Kagi doesn't handle well:
Weekly insights on the latest AI tools, features, and trends delivered to your inbox.
In 2026, Kagi has continued expanding its AI ecosystem, deepening integration between Kagi Assistant and live search grounding, and broadening access to the latest frontier models including Claude 4 and GPT-class models within the Ultimate tier. Custom assistants with tool access, improved Small Web discovery, and enhanced Universal Summarizer capabilities for video and long-form content have rolled out. The Orion browser has matured with stronger cross-extension support and tighter Kagi ecosystem integration, while Kagi for Teams has added more organizational controls and centralized administration for business customers.
AI Search
AI answer engine for web research with cited responses and follow-up questions.
Research Agents
Advanced AI search engine that combines real-time web browsing with intelligent content synthesis to deliver personalized research results, featuring customizable source prioritization and privacy-focused search capabilities for enhanced information discovery and comprehensive analysis.
Coding Agents
Revolutionary developer-focused AI search engine that delivers instant, accurate answers to coding questions with working code examples and technical explanations, transforming how programmers research and solve problems.
AI Agent Builders
Microsoft's free AI search assistant (now Copilot) combining GPT-powered conversational answers with web citations, image generation, and deep Microsoft 365 integration.
No reviews yet. Be the first to share your experience!
Get started with Kagi and see if it's the right fit for your needs.
Get Started →Take our 60-second quiz to get personalized tool recommendations
Find Your Perfect AI Stack →Explore 20 ready-to-deploy AI agent templates for sales, support, dev, research, and operations.
Browse Agent Templates →