Last updated 08-09-2026
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B12
B12 turns a short text prompt into a live website, online store, or lightweight web app in about two minutes. Its AI builder drafts mobile-responsive pages, then you refine layout, copy, and features through chat or a visual editor without touching code.
Squarespace and Wix ship template libraries you customize manually. B12 bundles site generation with commerce backends, client intake forms, invoicing, contracts, email marketing, and an expert marketplace when you want humans involved. That makes it closer to an all-in-one stack for service businesses than a pure site builder.
Freelancers, coaches, and small firms use it to launch on a free b12sites.com subdomain or move to a custom domain on paid plans. B12 says more than 4 million sites have been created on the platform, with Website at $49 per month (200 AI credits) and Website + Client Engagement at $78 per month (300 credits), both offered at $1 per month for the first three months for new users.
Generates a full site, store, or web app from a short prompt in about two minutes
Free plan on a b12sites.com subdomain with 5 daily AI credits capped at 30 per month
Website plan at $49/month includes 200 AI credits and up to 20 launched projects
Client Engagement plan at $78/month adds intake forms, contracts, eSignature, and email marketing
New users can start paid Website tiers at $1 per month for the first three months
Built-in commerce backends, traffic analytics, and third-party integrations without separate installs
Combines AI site generation with payments, contracts, and marketing in one platform.
Free tier and $1 intro pricing lower the barrier for first-time site owners.
Visual editor plus AI chat lets non-technical users publish without code.
Free plan is limited to a B12 subdomain and 30 AI credits per month.
Advanced professional and do-it-for-you packages cost extra beyond self-serve plans.
Heavy customization may still need expert marketplace help for complex brands.
Is B12 free?
Yes. B12 offers a Free plan at $0 per month on a b12sites.com subdomain with limited AI credits. Paid Website plans start at $49 per month after optional $1-per-month intro pricing for new users.
How long does B12 take to build a site?
B12 says you can go from a prompt to a complete first draft in about two minutes. You then refine design and content by chatting with its AI agent or using the visual editor.
What is included in B12 Client Engagement?
B12 Website + Client Engagement costs $78 per month and adds client intake forms, email marketing, a contact manager, contracts with eSignature, file uploads, and a custom email address on top of the Website plan features.
Does B12 include a custom domain?
The Free plan uses a b12sites.com subdomain. Paid Website and Client Engagement plans include a custom domain free for the first year according to B12 pricing and support docs.
Can B12 build an online store?
Yes. B12 generates mobile-responsive stores and web apps, and paid Website plans include commerce and backend features for selling online without installing separate software.
Does B12 offer human experts?
B12 provides email and chat support on paid plans and optional do-it-for-you packages with copywriters, designers, and launch specialists through its Expert Marketplace and professional services tiers.