Kagi

Kagi is the canonical paid search engine for users who want the "you are the customer, not the product" model — no ads, no SEO-spam dilution, no behavioural profiling, custom per-user ranking that lets you down-rank or block specific sites. Listed at Grade A · editor's pick because it is the only major search surface where the user-as-customer alignment is structural (subscription-funded) rather than aspirational, and the privacy-claim audit trail (Privacy Pass anonymous auth, Tor service, crypto payment, pseudonymous signup) is uniquely robust for a paid product.

Background. Founded by Vladimir Prelovac (@vprelovac), Kagi has been operating as a public subscription search engine since 2022. Headquartered in the United States but accessible globally. Search index is a hybrid: Kagi's own crawler (Teclis-derived) for high-quality independent web indexing, plus paid API access to Google, Brave Search, Mojeek, and a few others as fallback / breadth coverage. The user-facing search is fused from these layers, with Kagi's ranking + content lenses applied on top. Subscriber growth has been steady via word-of-mouth in privacy and tech circles — exact numbers undisclosed, but community sentiment ("I'd cancel Netflix before Kagi" is a recurring sentiment) suggests retention is strong.

What you trust. Account-level: signup requires email (pseudonymous email accepted), payment (card / PayPal / crypto via OpenNode for Bitcoin + Lightning; annual plans accept crypto explicitly). For users who want provable anonymity guarantees, Kagi supports: (a) signup with pseudonymous email; (b) payment in crypto; (c) access via their Tor onion service; (d) anonymous authentication using the Privacy Pass protocol (IETF standard) — Privacy Pass severs the link between subscription billing and individual search queries cryptographically, so even Kagi cannot tie searches back to a specific account once Privacy Pass tokens are minted. This is the strongest privacy architecture in any commercial search engine at the time of this review. Non-tracking posture: no analytics or telemetry loaded on the search page, no click-tracking on results, no behavioural profiling, no cookie beyond what's required for session. Media/image/video results and Kagi Assistant calls are proxied through Kagi servers (your browser doesn't directly fetch third-party content).

Operational specs. Trial: 100 searches free, no card required. Tiers: Starter $5/mo for 300 searches; Professional $10/mo unlimited search + Kagi Assistant Quick mode; Ultimate $25/mo unlimited search + Assistant Research mode + access to flagship models (Claude 4.7 Opus, GPT 5.5, Gemini 3.5, DeepSeek V4 Pro, GLM-5.1, Mistral Medium 3.5, and reasoning variants). Family + Team plans at higher tiers. Fair-pricing policy: months you don't use the service automatically generate credit applied to the next bill. Payment paths: card, PayPal, OpenNode (BTC + Lightning). API available for developers. Tor onion service operator-published.

Philosophy. Kagi's editorial differentiator is the structural alignment between funding model and product behaviour: when search is ad-funded, the search engine's incentive is to maximise time-on-site and ad-impressions per user, which produces SEO-spam-heavy ranked-by-engagement output. When search is subscription-funded, the engine's incentive is to give you the best answer fast so you stay subscribed. Kagi's custom ranking (you can pin trusted sites, block junk sites, prefer certain domains) and Lens system (search filters scoped to subsets of the web) operationalise this — you can curate the web yourself rather than accepting Google's ranking opinion. Privacy Pass is the bigger structural bet: the protocol lets Kagi verify you paid without knowing *which* paid user is searching.

Grade rationale. Grade A and editor's pick reflect: structural user-as-customer alignment via subscription pricing; Privacy Pass anonymous-auth protocol (unique in commercial search); accepted crypto payment + Tor onion access for users wanting anonymous-end-to-end signup→search; own crawler + paid-API hybrid index (not purely a Google reseller); no observed major controversies in the last 12 months; consistent community recommendation in privacy + tech circles; explicit fair-pricing policy that doesn't bill for unused months; transparent privacy policy with detailed cookie inventory. Last verified 2026-05-12.

Useful when. You've gotten tired of fighting Google's SEO-spam result quality and want search to "just work" again. You're a developer or researcher who issues lots of high-intent searches and the time-saved easily justifies $5-10/mo. You want to use AI / LLM features without giving any one AI provider your full prompt history (Kagi Assistant routes to multiple model providers behind one auth and a privacy-proxy layer). You want a search engine that doesn't track you and can prove it via Privacy Pass. You want to set custom rankings (block AI-generated content sites, prefer official documentation, etc.) instead of accepting one ranking opinion.

Caveats. Not anonymous-signup by default — the tagged `light_kyc` posture reflects that a billing relationship exists (email + payment method on file). Only the *Privacy Pass + crypto + Tor* combination gets you closer to anonymous-signup; the default path retains an email/billing link to your search account. Subscription cost — at $5-25/mo this is meaningfully more than DuckDuckGo, Brave, or Mojeek (all free). The privacy + quality value is real but the price is a real barrier for users on tight budgets. Hybrid index includes Google API — purists who object to *any* Google involvement should know that some Kagi results are mediated through Google's paid API. When Kagi queries Google, Google sees the search term and Kagi as the caller — not your identity directly — but if "absolutely no Google" is your threat-model line, Mojeek (independent index) is the better fit. OpenNode KYC on the merchant side — crypto payments route through OpenNode, which runs its own KYC on merchant onboarding (Kagi passed it) and observes Lightning/BTC transaction metadata. Kagi doesn't see your wallet, but OpenNode does. For fully anonymous end-to-end, use a Lightning wallet that doesn't link your identity at the funding layer. Custom-ranking customisation is opt-in — you have to invest the configuration time to fully realise the "curated web" upside; defaults are good but the editorial sweet-spot is after a few weeks of pin/block tuning. US headquartered — for users who specifically threat-model against US legal process, that jurisdiction matters; Kagi has not been compelled to disclose user data in any publicly-known incident, but the legal exposure exists structurally. Privacy Pass adoption requires user setup — it's not on by default; users have to opt in to the anonymous-token flow.