The best AI website builders, by what their sites score.

What counts as an AI website builder in 2026?

By duck.design's definition, an AI website builder is a tool where you type a text prompt and it generates a complete site: page layout, copy and SEO structure, with no coding or design skills required from you. So hold your shortlist to that definition, the way you would any claim (vendors rarely do it for you). Open one page your tool generated for you. View the source. Is your copy in the HTML you receive, or does a script load it into your browser later?

Your shortlist mixes different kinds of products. Framer, Squarespace, Wix ADI and Durable are hosted builders that keep you inside their editor, while Bolt, Lovable and v0 are code-first tools that hand you a project. DesignRevision says the gap between these categories is narrowing. But a product's name still tells you little about what your pages ship. A label is not evidence, so judge what your tool hands you, not what it calls itself.

Expect your first output to be generic, whichever tool you pick. DesignRevision recommends you budget one to two hours of your own time for customization. And once those hours are spent, your pages are what a browser and a crawler will judge (not the prompt you typed). Your template is only a draft. Your edits are your evidence, so check your own source for what you changed.

Which AI website builders lead the market right now?

DesignRevision's ranking of 15 AI builders puts Framer first and Squarespace second, both scored 9/10. Framer starts at $5 a month and Squarespace at $16, and neither gives you code export. Read the price page. Then read the exit terms, because that is where the real cost tends to sit.

If you want code export, your options are Bolt at $20 a month, Lovable at $25, v0 at $20 and TeleportHQ at $15. 10Web, at $10, gives you partial export. Webflow, according to duck.design, starts at $15 a month billed annually (the free Starter plan is the catch), and that plan limits you to 2 pages on a webflow.io subdomain.

A ranking score will not tell you what your site sends to your visitors' browsers. Studio Slate says no independent Core Web Vitals benchmark exists yet for builders like yours. Treat any speed claim with caution, vendors' own included. And since your own site is the only sample that matters, you can run the free assessment on it.

What does an AI-built site ship: rendering, scripts, headers, schema?

Your site gives you four things to check from your browser: a rendering model, scripts, headers and schema. View your source. Search the raw HTML for your headings. Studio Slate says most AI builders default to client-rendered single-page apps, and only v0 gives you server-rendered Next.js by default. So check which one you got (the default is easy to miss, and it rarely announces itself).

Scripts come next, and you pay for them on every page load. If you use Framer, Studio Slate says your pages are statically generated and served from a global edge network. Chose a single-page-app builder instead? You start heavier, because a JavaScript bundle has to run before your page appears. Is your site React-heavy? Elementor says you often need more crawl budget, and that cost arrives quietly, usually after you've stopped looking.

Headers and schema come last, and you may not control them. Studio Slate says hosted builders give you no granular control over your canonical tags, redirects and structured data. That matters. And WP Engine says heavy JavaScript may keep AI agents from seeing your rendered structured data, so markup you wrote can still go unseen. Run the free assessment on your URL, and a public read shows you your response headers.

How do AI website builders differ from vibe coding tools?

An AI website builder gives you a hosted site. A vibe coding tool such as Lovable gives you a code project, and that difference shapes everything you do next. Your first check takes a minute: look in your account for a way to push your project to GitHub (AgentSite says Bolt, v0 and Lovable all offer one). Building full web apps or prototypes? duck.design says Lovable is the vibe-coding builder.

Owning the code costs you work. Once the code is yours, AgentSite says, so are your build pipeline, your dependency tree, your hosting account and your security patching. A hosted builder spares you that work. But the tradeoff is real: Clyro lists custom code there as limited, with CSS only on Squarespace AI, none on Framer AI or Durable AI, and limited code on Wix ADI and Hostinger AI. Pick a hosted builder and you do less, but you can also fix less. So check what your builder lets you edit.

DesignRevision says the code-first tools are changing fastest, adding database integrations and moving toward fuller-stack capabilities. Still, judge your tool by what your site sends to your visitors, not by its label. Either kind can put your content behind a script that a crawler never runs on your pages, and neither label warns you. Search your page source for your headline, because the source is what you ship. Can't find it? Run the free assessment on your site and you will see what your pages hand a crawler.

Which builders give you an exit, and which keep your site?

Bolt, Lovable, v0 and TeleportHQ let you leave with your code. DesignRevision lists them with code export, and 10Web as partial, so check what you would actually receive. Before you pay, ask AgentSite's two questions. Is your domain registered in your name? And what file do you get if you leave? As listed, Framer, Squarespace, Wix ADI, Hostinger, Durable, Shopify, Jimdo and GoDaddy Airo offer no export (a long list, and a familiar one). Your site stays behind when you go. Ask first, because once you have paid, the answer is whatever they say it is.

Having your code does not mean you can leave. MindStudio recommends a migration test: export your code, run it locally, then try a cold deploy to a different host. But suppose your code only runs in the platform's environment, or you cannot export your database or auth. Then you are locked in. You own your files, and the platform still owns your exit.

UiChemy lists the other places lock-in hides: builder-run forms, search, shops and memberships, plus your domain and email accounts. Check which of them your site relies on, then confirm you could replace each one. And remember that export to static files turns editing into a developer's job. So decide before you export who makes your changes (it is easier to settle now than after the move). As MindStudio advises, read your terms of service before you sign. Look at IP ownership, your data rights and the termination clauses.

What do AI-built sites usually score, and why?

You won't find a typical score for AI-built sites here. None of the sources you can read publishes one. Run your page through the free assessment, then read your eight pillar scores before you look at your total. Studio Slate says no independent Core Web Vitals benchmark exists yet for these builders, which leaves your own run as the only number you can check. Kleap says it built real sites on seven platforms over three weeks and scored them in PageSpeed Insights. That is one company's account (a useful one, but still one). It is not your result, and it is not your benchmark. So run yours.

Your output moves your score, and you can read the weights. Your architecture and performance carry 15% each, your security and search 12% each, and your schema, AI readiness and editorial experience 10% each, while your operational health carries 16%. A client-rendered bundle, thin headers or missing structured data each pull on a different pillar, and you can check each one in your own page source. And your total lands in one of four bands. A score of 80 to 100 puts you in good standing, 60 to 79 is constrained, 40 to 59 is at risk, and 0 to 39 is legacy condition. Find yours.

Your band describes your output, not your intentions. Intentions don't render. The assessment leaves some things out, and you should know what they are: it does not log in to your site, read your analytics or pull field performance data. Your real-user numbers stay in your own tools (where they belong, frankly). Read them next to your band.

How do you check an AI-built site before you pay for it?

Check an AI-built site by reading what it ships before you pay: publish a sample, then run the free assessment on your URL. Enter your work email and wait about two minutes while the assessment reads your homepage plus up to eight sampled pages. Your report link arrives once, so keep it. You get three checks per hour per connection.

Then do the checks a score cannot. Open your robots.txt and your CDN rules, and confirm AI crawlers such as OAI-SearchBot are not blocked, as Kanopi advises. View your source. Confirm your main content is in your HTML, not behind a script a crawler might never run. Does your tool export code? Then run MindStudio's migration test on your export.

A public read of your site cannot see behind your login, read your analytics, or measure your real visitors. It cannot test whether your export deploys elsewhere. So before you pay, treat your score as evidence about the output, nothing more. It is not a verdict on your tool.

Questions, answered.

Check your own site.

1. 01AI SEO auditCrawl access, extractable passages, schema, llms.txt.
2. 02Website health checkThe general read, all eight pillars.
3. 03Core Web Vitals testLCP, INP and CLS from what the page ships.

More from What Ships.

1. 01AI code vs human code: what the difference looks like on a live website.Evidence · 2026-10-25
2. 02How to build a website with AI without the mistakes everyone makes.Guide · 2026-10-25
3. 03Vibe coding security: what shipped AI sites leak, and how to see it from outside.Security · 2026-10-25