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Butternut AI vs B12: Efficient AI Website Builder in 2026?

執筆者 | Last updated Jul 8, 2026

勝者
バターナッツアイ
4.5
  • 無料プランあり
  • Sites Built in Seconds
  • AIブログ ライター 内蔵型
  • Free Custom Domain 1st Year
  • 内蔵 SEO ツール
  • Free Hosting & SSL
  • 有料プランは月額20ドルから
準優勝
B12ベストセクション
4.5
  • Free Entry Plan
  • Draft Ready in 60 Seconds
  • Scheduling & Invoices
  • Email Marketing Built In
  • Expert Design & Copy Team
  • サービスプロバイダー向けに構築
  • 有料プランは月額42ドルから

⚡ Quick Verdict:

  • 価格: Butternut AI starts at $20/month vs B12 at $42/month for paid tiers.
  • 最適な用途: Butternut AI for fast, low-cost sites. B12 for service providers who need scheduling and invoicing.
  • 主な違い: Butternut AI focuses on speed and simplicity. B12 bundles more integrated 仕事 ツール。
  • Our pick: Butternut AI for most users. It builds a site fast and costs less to start.
Butternut AI vs B12 Comparison

Both Butternut AI and B12 promise the same thing.

They let you build a website using artificial intelligence.

But these two AIツール solve different problems.

Butternut AI is a fast AI ウェブサイトビルダー for quick launches.

B12 AI is built for service providers who need integrated 仕事 ツール。

This Butternut AI compare guide breaks down both, so you can pick right.

概要

This Butternut AI vs B12 comparison covers pricing, features, and ease of use.

We also break down who each AI website builder works best for.

Our writers spent hands-on time with each one.

Those notes appear in the “What Our Team Noticed” sections below.

By the end, you will know which website builder fits your needs.

Butternut AIとは何ですか?

Butternut AI is an AI powered website builder for fast launches.

A person describes their business in plain 文章.

Then Butternut AI generates a full multi page website in seconds.

The AI generated site includes structure, meta tags, and starter content.

You then edit it with a visual, no code editor.

These AI powered tools handle web design and multiple pages for you.

Small businesses use its AI features when creating a new website.

AIを使って本格的なウェブサイトを構築しました!Butternut AIレビュー2024(Appsumo永久ライセンス)

バターナッツAI

⭐ 4.5/5 | 💰 From $20/month

Build a website from a text prompt in seconds. Free hosting, free SSL, and an AI blog writer are built in.

バターナッツAIの価格

Here is what Butternut AI cost looks like in 2026. Let’s break it down.

プラン価格最適な用途
スタータープラン月額20ドルソロプレナーと 中小企業 サイト
プロプラン月額69ドルAdvanced features and growing brands

Pricing verified February 2026.

バターナッツaiの価格

無料トライアル: Yes. A free plan lets you build and customize websites before you publish.

Free custom domain: The Starter plan links one custom domain free for the first year.

📌 注記: Butternut AI offers a free plan to generate and edit unlimited websites. You only pay once you connect a paid plan to publish with a custom domain.

⚠️ 警告: The CSV lists paid tiers only. Butternut AI’s own site also shows a free tier, so confirm current plan limits before you commit.

Key Benefits of Butternut AI

Here is what makes Butternut AI worth considering:

  • インスタントウェブサイト作成: Butternut AI generates a complete multi page website from a business description in seconds. It handles structure, responsive behavior, and initial content for you.
  • AI Blog Writer: A built in AI blog writer turns simple prompts into full blog posts. Content is optimized for keywords and readability.
  • Free Hosting and SSL: The platform provides free hosting, free SSL certificates, and automated backups. It manages all technical infrastructure for you.
  • AIエージェントコマンド: You can add sections and change layout using natural language prompts. These AI agent commands let you edit with plain text.
  • 組み込み SEO: Automated SEO tools add meta tags and sitemaps. This built in SEO helps search engines find your pages.
  • カスタム チャットボット および画像: A custom chatbot can be trained on your website content. A vast library adds AI generated images and royalty-friendly photos.
バターナッツAIホームページ

What Our Team Noticed

Our writer signed up for Butternut AI and built a test site from one prompt. Here is what stood out:

バターナッツAIの個人的体験

Butternut AI Pros & Cons

✅ メリット
  • Generates a fully functional site in seconds from a text prompt
  • Free hosting, free SSL, and a free custom domain for the first year
  • Built-in AI blog writer and AI generated images save time
  • Lower starting price than B12 at $20 per month
❌ デメリット
  • Initial AI generated designs can look generic and need edits
  • Customization is limited next to ウェブフロー and other traditional website builders
  • A newer player, so it is less proven than older tools

B12 AIとは何ですか?

B12 is an AI powered website builder for service providers.

Its AI generates a professional website draft in about 60 seconds.

The draft is tailored to your industry and business needs.

B12 also bundles integrated business tools into one platform.

These help you serve clients online and run your business online.

The right setup can save countless hours each month.

B12

⭐ 4.5/5 | 💰 From $42/month

An all in one platform for professional service providers. Get a website, online scheduling, invoicing, and email marketing together.

B12の価格

Here is what B12 costs in 2026. The plans scale with your business.

プラン価格最適な用途
基本月額42ドルSolo pros starting out
プロ月額169ドルGrowing service businesses
高度な月額339ドルLarger teams and firms

Pricing verified February 2026.

B12の価格

無料プラン: B12 offers a free entry-level plan with a straightforward pricing structure above it.

返金保証: Some plans offer a full refund within a short period. Confirm current terms at signup.

📌 注記: Paid B12 plans include features like online payments, recurring invoices, and email marketing. The higher tiers add more support and design suite tools.

⚠️ 警告: B12’s paid plans cost more than most other website builders. The value depends on whether you use its business tools.

ビタミンB12の主な利点

Here is what makes B12 stand apart for professional service providers:

  • Fast AI Draft: B12’s AI generates a personalized website draft in 60 seconds. The web pages are tailored to your industry from the initial setup.
  • Integrated Business Tools: Contact forms, online appointment scheduling, invoicing, and email marketing live in one place. This all in one setup helps you engage clients.
  • AI Assist for Content: The AI Assist tool writes relevant content like full blog posts and email copy. It works right inside the editor.
  • 専門家チーム: Design and copywriting experts help launch your beautiful websites. This human support sets B12 apart from most AI tools.
  • Client Payments: Clients pay through branded invoices, card payments, and payment pages. Recurring invoices are supported too.
  • SEOと分析: Websites are search engine optimized for online visibility. Built-in analytics track website performance and client engagement.
b12ホームページ

What Our Team Noticed

Our writer built a B12 website and tested its scheduling and invoicing flow. Here is what stood out:

B12 AI

ビタミンB12のメリットとデメリット

✅ メリット
  • Integrated business tools like scheduling, invoicing, and email marketing
  • Expert design and copywriting team helps you launch faster
  • Strong fit for service based businesses and professional service providers
  • Ongoing support through phone, email, and chat
❌ デメリット
  • Paid plans start higher than Butternut AI at $42 per month
  • Best value only shows if you use the bundled business tools
  • Less suited to e commerce websites and online stores than some rivals

機能比較

Ready to compare Butternut AI vs B12 feature by feature?

We look at eight key areas to help you pick the right website builder.

特徴バターナッツAIB12
開始価格月額20ドル月額42ドル
無料プラン
AIウェブサイトビルダー
AI Blog Writer
オンライン予約
請求書発行と支払い
カスタムチャットボット
SEO機能が組み込まれています
Expert Human Team
最適な用途Fast, low-cost sitesサービスプロバイダー

1. AIウェブサイトビルダー

バターナッツAI: You describe your business and Butternut AI generates a complete website in seconds. The AI builds multi page websites with a business name, layout, and starter copy. This speed beats traditional website builders like Wix.

Butternut AI AIウェブサイトビルダー

B12: B12’s AI generates a professional website draft in about 60 seconds. The draft is tailored to your industry, which suits service based businesses. Both are strong AI website builders, but B12 leans toward polished professional websites.

b12 AIウェブサイトビルダー

2. AI Blog Writer

バターナッツAI: The built-in AI blog writer turns prompts into full blog posts. Posts are optimized for keywords and readability. Some plans support unlimited AI blogs, which helps content-heavy sites grow.

B12: B12’s AI Assist writes blog posts and email copy inside the editor. It focuses on relevant content for client-facing pages. The blog writer is solid, though Butternut AI markets its blogging harder.

ビタミンB12ブログ

3. カスタマイズと編集

バターナッツAI: A visual editor lets you tweak every element with clicks and drag and drop. You add your own images or use AI generated images. Deep customization is limited compared to Webflow, so power users may feel boxed in.

バターナッツAIの高度なカスタマイズ

B12: B12 offers a user friendly editor to change your website’s design and content. An expert team can also adjust the design suite for you. This human touch helps if you dislike editing.

b12 カスタマイズ可能なAIウェブサイトプロンプト

4. Built-in SEO

バターナッツAI: Automated SEO tools add meta tags and sitemaps. This built in SEO helps search engines index your pages. It is a good baseline for SEO optimization without an expert.

Butternut AI内蔵SEO

B12: B12 websites are search engine optimized with on-page SEO controls. It also sells an SEO service and analytics for deeper tracking. Both cover the basics well.

b12 on page seo

5. AIエージェントコマンド

バターナッツAI: AI agent commands let you edit with natural language prompts. You can add sections, generate content, and modify layout by typing plain text. This makes editing feel like a chat.

バターナッツAI搭載

B12: B12’s AI Agent and customizable prompts also assist with edits and content. The AI assists across pages and copy. Both use artificial intelligence to speed up website building.

b12 AIエージェント

6. Integrated Business Tools

バターナッツAI: Butternut AI handles payment gateways like PayPal and Stripe for online stores. You can sell products, courses, and services. But it lacks native scheduling and recurring invoices.

Butternut AI Facebook成長エージェント

B12: This is where B12 shines. You get online appointment scheduling, contact forms, contact management, and online payments. Recurring invoices and email marketing help you manage clients from one dashboard.

b12 メールマーケティングと自動化

⚠️ 警告: If you need scheduling and invoicing, Butternut AI alone will not cover you. B12’s integrated business tools are the reason to pay its higher price.

7. Custom Chatbot and Support

バターナッツAI: A custom chatbot can be trained on your website content to help visitors. This adds light customer support without extra tools. It is handy for small business owners.

バターナッツAIスマートAIチャットボットエージェント

B12: B12 leans on its support team for help instead of a site chatbot. You get ongoing support and phone support across plans. The B12 team also assists with launch.

b12サードパーティ統合

8. Domain, Hosting and Portfolio

バターナッツAI: You get free hosting, free SSL, and a free custom domain for year one. You can connect an existing domain or buy a new one. It even builds a portfolio website fast.

バターナッツAIドメインリンク

B12: B12 supports custom domain setup and hosting inside its all in one platform. It focuses less on portfolios and more on client-facing business websites. Third-party integrations extend what it can do.

b12連絡先管理

9. 価格設定とコスト

料金プランを並べて比較してみましょう。

プランバターナッツAIB12
無料無料プランありFree entry plan
入場料支払い済み月額20ドル(スタータープラン)月額42ドル(基本プラン)
中級クラス月額69ドル(プロプラン)月額169ドル(プロフェッショナルプラン)
トップティア月額339ドル(アドバンスプラン)

バターナッツAI: The paid plan starts at $20 per month. That makes it a budget-friendly AI website builder for a professional online presence. The free version lets you test before you pay.

B12: B12 costs more, starting at $42 per month. The enterprise plan tier reaches $339 per month. You pay for integrated tools, not just a site.

さまざまなシナリオ

必要な場合は選ぶなぜ
予算が限られているバターナッツAI月額20ドルから
Online schedulingB12Built-in appointment tools
Fast simple siteバターナッツAIBuilt in seconds
Client invoicingB12Recurring invoices included
初心者向けバターナッツAINo code, plain-text edits

💰 あなたの予算

Butternut AI cost is lower at $20 per month. B12 starts at $42, so budget users lean toward Butternut AI.

🔌 Your Business Type

Service based businesses fit B12’s scheduling and invoicing. E commerce websites and quick landing page sites fit Butternut AI.

📝 コンテンツのニーズ

Both include an AI blog writer for full blog posts. Butternut AI pushes unlimited pages and blogging harder.

🎓 あなたの経験レベル

Neither tool has a steep learning curve. Both use natural language prompts, so no web developer is needed.

🆓 無料トライアルとデモ

Both offer a free tier to test first. Build a website on each before you pick a paid plan.

🛟 サポートオプション

B12 offers phone support and a design and copywriting team. Butternut AI relies on docs and its custom chatbot.

切り替えガイド

Already using one of these AI tools? Here is what to expect if you switch.

🔄 Switching from Butternut AI to B12?

✅ 得られるもの:

  • Online appointment scheduling for clients
  • Recurring invoices and online payments
  • An expert team plus phone support

❌ 失うもの:

  • The lower $20 starting price
  • The trainable custom chatbot
  • Free custom domain for the first year

📋切​​り替え方法:

  1. Save your Butternut AI content and images
  2. Create a B12 account and describe your business
  3. Rebuild pages and connect your existing domain
🔄 Switching from B12 to Butternut AI?

✅ 得られるもの:

  • A lower monthly cost starting at $20
  • Faster site creation from one prompt
  • A custom chatbot and AI generated images

❌ 失うもの:

  • Online scheduling and invoicing tools
  • The expert design and copywriting team
  • Phone support and contact management

📋切​​り替え方法:

  1. Export your B12 content and client データ
  2. Sign up for Butternut AI and describe your business
  3. Generate the new site and link your domain

What Our Review Didn’t Cover

This comparison focused on small business owners and solopreneurs. We did not test enterprise plan setups or custom code integrations in depth. Our notes are based on the February 2026 versions, so new features may have shipped since. If you run a large team, your business needs may differ from what we covered here.

最終評決

カテゴリ勝者
💰価格バターナッツAI
🚀 Site Speed to LaunchバターナッツAI
🧰 Business ToolsB12
🎨 カスタマイズネクタイ
👶 使いやすさバターナッツAI
🔌 Client ManagementB12
🏆総合優勝バターナッツAI

🏆 WINNER: BUTTERNUT AI

Butternut AI wins 4 of 6 categories.

最適な用途: Fast website creation, tight budgets, and a professional online presence without a web developer.

Butternut AI and B12 are two very different products.

Butternut AI is the best AI website builder for speed and low cost.

B12 is built for professional service providers who need client tools.

B12 is excellent if you need scheduling, invoicing, and an expert team. However, if you want a fast, affordable site, Butternut AI is the better pick for most users.

More of Butternut AI Compared

Here is how Butternut AI stacks up against other AI website builders:

Butternut AI vs 耐久性

Butternut AI wins on: Built-in AI blog writer, custom chatbot, richer content editing

耐久性に優れた製品は以下の点で優れています。 Slightly faster onboarding, built-in invoicing, simpler dashboard

Butternut AI vs ガンマ

Butternut AI wins on: Full multi page websites, free custom domain, free hosting and SSL

ガンマが勝つ点: プレゼンテーション and deck creation, quick single-page layouts, polished templates

Butternut AI vs 10ウェブ

Butternut AI wins on: Lower entry price, simpler no code editing, faster first draft

10Webが勝利した項目: WordPress hosting, deeper plugin control, more advanced customization

ビタミンB12の含有量が比較で増加

Here is how B12 stacks up against other website builders:

B12 vs 耐久性

B12が勝つ点: Expert human team, richer scheduling, deeper contact management

耐久性に優れた製品は以下の点で優れています。 Lower price, faster setup, lighter feature set for beginners

B12 vs Jimdo

B12が勝つ点: Invoicing and payments, email marketing, service-provider focus

ジンドゥー 勝利したタイトル: Cheaper plans, simple online stores, quick small business sites

B12対フレーマー

B12が勝つ点: Built-in client tools, appointment scheduling, done-for-you copywriting

フレーマーが勝利した点: Design freedom, animation control, pixel-level layout for designers

よくある質問

Butternut AIは無料ですか?

Yes. Butternut AI offers a free plan to build and customize unlimited websites. You pay only when you publish with a custom domain on a paid plan.

Butternut AIの価格はいくらですか?

Paid plans start at $20 per month for Starter. The Pro plan is $69 per month and adds advanced features. A free version is also available.

B12 AIのウェブサイトは無料ですか?

B12 offers a free entry plan to start. Paid plans begin at $42 per month and add scheduling, invoicing, and email marketing tools.

最も使いやすいAIウェブサイト構築ツールは何ですか?

Both are easy and use natural language prompts with no code needed. Butternut AI is the easiest for a fast, simple site from one prompt.

Which is the best AI to build a website for service providers?

B12 is the stronger pick for service providers. It bundles online scheduling, invoicing, and an expert team to help you serve clients online.

ファヒム・ジョハーダー、創設者

ファヒム・ジョハーダー、創設者

900種類以上のAIツールをテスト済み。月間読者数25万人以上。

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