

⚡ Quick Verdict:
- 価格: Gamma AI has a free plan and paid plans from $8/month. B12 AI starts at $42/month.
- 最適な用途: Gamma for people who create presentations, documents, and simple web pages. B12 for a full 仕事 Webサイト。
- 主な違い: Gamma is a content and slide maker. B12 is an AI powered website builder with client tools.
- Our pick: Gamma for most users. It costs less and covers decks, docs, and websites in one app.

Gamma AI and B12 AI both use artificial intelligence to build things fast.
But they are not the same kind of tool.
Gamma helps you create a new presentation, a document, or a web page.
B12 is an AI website builder made to help you serve clients online.
One is a design suite for content. The other runs your 仕事 オンライン。
概要
This Gamma vs B12 comparison covers pricing, features, and ease of use.
We also break down who each tool works best for.
Our writers signed up for both and spent hands-on time in each app.
Those notes appear in the “What Our Team Noticed” sections below.
ガンマAIとは何ですか?
Gamma AI is a create tool for presentations, documents, and web pages.
You type a prompt and the AI can generate a full deck in seconds.
Then you refine each slide with a simple chat editor.
The company launched Gamma in beta and now serves users across the world.
The create process opens a universe of templates for creating slides fast.
Present mode and built-in analytics help you engage clients and measure growth.

🏆 Winner: Gamma AI
Gamma lets you generate beautiful presentations, documents, and websites from one 文章 prompt. No design skills needed.
Gamma AI Pricing
Here is what Gamma costs in 2026. Let’s break it down.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 無料 | 0ドル/常に無料 | Testing the AI generator |
| プラス | 月額8ドル | ソロクリエイターと 中小企業 |
| プロ | 月額15ドル | Frequent presentation makers |
Pricing verified July 2026.

無料トライアル: The free plan is always free with limited AI credits. No card needed.
返金保証: Paid plans bill monthly, so you can cancel before the next cycle.
📌 注記: The free plan gives you AI credits to test the create flow before you pay.
⚠️ 警告: Free AI credits run out during a short period of heavy use. Upgrade for unlimited generation.
Key Benefits of Gamma AI
Here is what makes Gamma worth considering:
- Fast generation: The AI can generate a working deck, document, or webpage in under a minute.
- New presentation from a prompt: Type an idea and get a new presentation with images and layout.
- Flexible templates: Pick an example template to work faster and stay on brand.
- Present mode: Share created content on any device to get your point across.
- Web-native pages: Build scrollable web pages with quizzes and videos, not just static slides.
- チームコラボレーション: Comments and reactions let your team work on a Gamma together.



What Our Team Noticed
Our writer signed up for Gamma and used it to build a real ピッチ deck. Here is what stood out:

Gamma AI Pros & Cons
✅ メリット
- Free plan lets you generate decks and web pages at no cost
- Creates a new presentation from one text prompt in seconds
- One-click restyle changes your whole deck design fast
- Present mode and analytics help you engage your audience
❌ デメリット
- Not a full business website builder with client tools
- Free AI credits run low during heavy use
- No online payments or appointment scheduling built in
B12 AIとは何ですか?
B12 AI is a professional website builder for service based businesses.
Its AI technology drafts a personalized website in about 60 seconds.
The New York company is built to help you serve clients online.
B12’s AI creates a professional website tailored to your industry.
You then edit the website’s design in a friendly editor.
It is an all in one platform for professional service providers who run a business online.
B12 handles the web design so you can focus on your services and clients.

Runner Up: B12 AI
B12 is an AI powered website builder for 会計士, lawyers, and coaches. It adds scheduling, invoicing, and email marketing.
B12 AI Pricing
Here is what B12 costs in 2026. Let’s break it down.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 基本 | 月額42ドル | A new site for a 中小企業 |
| プロ | 月額169ドル | Growing service based businesses |
| 高度な | 月額339ドル | Teams that need more support |
Pricing verified July 2026.

無料トライアル: You can build a free website draft first. Paid plans unlock a custom domain and features.
返金保証: B12 offers a full refund window on new paid plans. Check current terms at signup.
📌 注記: Higher plans add more email marketing, contact forms, and ongoing support for your business needs.
⚠️ 警告: In the website builder space, B12 costs more than most other website 建設業者. Each plan includes features like a support team and design work.
Key Benefits of B12 AI
Here is what makes B12 worth considering:
- Fast website building: The AI drafts a fully functional professional website in about 60 seconds.
- All in one tools: Get online scheduling, invoicing, contact forms, and online payments in one place.
- Expert help: Design and copywriting experts help launch your new website and write relevant content.
- Client management: Contact management and recurring invoices help you manage clients and get paid.
- SEO サービス: Sites are built for search from day one to grow your professional online presence and reach more clients.
- Ongoing support: Get phone support, email, and chat from the B12 team as your needs change.



What Our Team Noticed
私たちの 作家 used B12 to spin up a new site for a small consulting business. Here is what stood out:

B12 AI Pros & Cons
✅ メリット
- AI builds a professional website draft in about 60 seconds
- All in one platform with scheduling, invoicing, and payments
- Design and copywriting experts help launch your site
- Unlimited support by phone, email, and chat
❌ デメリット
- No free forever plan like Gamma offers
- Higher monthly cost than most website builders
- Not built for slide decks or investor presentations
機能比較
Ready to dive into a detailed comparison of Gamma AI vs B12 AI? We’ll explore the standout features so you can see which one fits your work. Both tools use AI, but they build very different things.
| 特徴 | ガンマAI | B12 AI |
|---|---|---|
| 開始価格 | 無料 / 月額8ドル | 月額42ドル |
| 無料プラン | ✅ | ❌ |
| AIプレゼンテーションメーカー | ✅ | ❌ |
| AIウェブサイトビルダー | ✅ (basic web pages) | ✅ (full business site) |
| Online Appointment Scheduling | ❌ | ✅ |
| Online Payments & Invoices | ❌ | ✅ |
| メールマーケティング | ❌ | ✅ |
| SEO Service | 基本 | ✅ |
| Expert Support Team | ❌ | ✅ Phone Support |
| 最適な用途 | Presentations & docs | Professional websites |
1. AI Generation and Setup
ガンマAI: You start on your dashboard and select “Create new AI.” The generator makes a complete presentation from a single prompt. Then you open the chat editor to refine it.

B12 AI: The initial setup asks a few questions about your company. B12’s AI then drafts a professional website in about 60 seconds. Free AI does the heavy lifting for you.

2. Websites and Web Pages
ガンマAI: Gamma can generate a web page that scrolls like a modern site. It suits a simple landing page or a portfolio. It is not made for a full business website with checkout.

B12 AI: This is where B12 leads. It builds beautiful websites with real business pages. You get a custom domain, free hosting, and web pages ready to serve clients online.

⚠️ 警告: If you need a business website with a custom domain, Gamma web pages will feel limited next to B12.
3. Templates, Themes, and Design
ガンマAI: Gamma ships with flexible templates and a theme builder. A font customizer keeps your brand steady. One click can restyle the whole deck when you want a new look.



B12 AI: B12 uses customizable AI website prompts to shape your design. You describe your goals and the AI adjusts the website’s design. The result feels tailored to your industry.

4. Visual Content and Documents
ガンマAI: アン 画像ジェネレーター adds visuals to any slide. The documents generator turns notes into clean reports. For example, you can create a one-page brief in seconds.


B12 AI: B12 leans on blogging for content. The AI Assist tool writes blog posts and other relevant content inside the editor. This helps you fill web pages fast.

5. Sharing, SEO, and Social
ガンマAI: ソーシャルメディア magic turns a deck into posts for your social media accounts. Publishing and analytics show how people engage. You share created work across the world on any device.

B12 AI: On-page SEO helps your site rank in search. This SEO service is part of the plan, not an add-on. Better search visibility grows your online presence over time.

6. Client Tools and Integrations
ガンマAI: Gamma offers a powerful API for teams that want to connect the create tool to their own processes. It is great for content, but it has no client billing tools.


B12 AI: B12 bundles contact management, email marketing, and オートメーション. An AI agent and third-party integrations handle busy work. Recurring invoices and online payments help you manage clients.

7. Pricing & Cost
料金プランを並べて比較してみましょう。
| プラン | ガンマAI | B12 AI |
|---|---|---|
| 入場無料 | $0 (always free) | ❌ (paid only) |
| Basic / Plus | 月額8ドル | 月額42ドル |
| プロ/プロフェッショナル | 月額15ドル | 月額169ドル |
| 高度な | ❌ | 月額339ドル |
ガンマAI: Gamma is the budget pick. A free plan plus low monthly prices make it easy for a small business or solo creator to start.
B12 AI: B12 costs more, but the price bundles hosting, a support team, and design experts. For a professional website, that value can save countless hours.
さまざまなシナリオ
| 必要な場合は | 選ぶ | なぜ |
|---|---|---|
| A free tool | ガンマAI | Always-free plan |
| A new presentation | ガンマAI | Best AI deck maker |
| A business website | B12 AI | Full site with client tools |
| Online payments | B12 AI | Invoices and card payments |
| Fast, easy start | ガンマAI | Easiest AI create flow |
💰 あなたの予算
Gamma is far cheaper and has a free plan. B12 costs more but bundles hosting and expert help for small businesses.
🔌 あなたの技術スタック
Gamma has a powerful API for custom processes. B12 adds third-party integrations and contact management for client work.
📝 あなたの主な目標
Pick Gamma to create presentations and documents. Pick B12 to launch a professional online presence and serve clients online.
🎓 あなたの経験レベル
Both are beginner friendly. Gamma is the easiest AI website builder for quick pages. B12 guides you through website building with experts.
🆓 無料トライアルとデモ
Try Gamma’s free plan to test the create flow. Build a free B12 website draft before you pick a plan.
🛟 サポートオプション
B12 gives you a support team with phone support, email, and chat. Gamma relies on docs and community help.
切り替えガイド
既にこれらのツールのいずれかをご利用ですか?切り替える場合、どのような変更が想定されますか?
🔄 Switching from Gamma AI to B12 AI?
✅ 得られるもの:
- A full business website with a custom domain
- Online appointment scheduling and online payments
- A support team and design and copywriting experts
❌ 失うもの:
- The free plan and low monthly price
- The AI presentation maker for slide decks
- One-click restyle for documents and web pages
📋切り替え方法:
- Export your text and images from Gamma
- Create a B12 account and answer the setup questions
- Let B12’s AI draft your new site, then add your content
🔄 Switching from B12 AI to Gamma AI?
✅ 得られるもの:
- A free plan and a much lower monthly cost
- An AI presentation maker for decks and reports
- Fast content generation with one-click restyle
❌ 失うもの:
- Online scheduling, invoicing, and online payments
- Contact management and email marketing tools
- Phone support and ongoing expert help
📋切り替え方法:
- Save your copy and images from your B12 website
- Create a Gamma account and start a new AI project
- Generate a deck or web page, then refine with chat
What Our Review Didn’t Cover
This comparison focused on solo users and small teams. We didn’t test enterprise contracts or heavy custom API work. Our notes are based on the July 2026 versions, so new features may have shipped since then. If you run a large agency or a busy team, your business needs may differ from what we covered here.
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰価格 | ガンマAI |
| 🚀 Presentations | ガンマAI |
| 🌐 Business Websites | B12 AI |
| 🎯 Client Tools | B12 AI |
| 👶 使いやすさ | ガンマAI |
| 🛟 サポート | B12 AI |
| 🏆総合優勝 | ガンマAI |
🏆 WINNER: GAMMA AI
Gamma AI wins on price, ease, and range for most users.
最適な用途: presentations, documents, quick web pages, and small business content.
Gamma AI and B12 AI solve different problems. Gamma is a design suite that helps you create presentations, documents, and web pages fast. B12 is an all in one website builder for professional service providers.
B12 is excellent if you need a professional website with scheduling, invoices, and a support team. But it costs more and is not made for slide decks.
For most people who want free AI, low cost, and content in seconds, Gamma is the better choice. Pick the tool that matches your business needs.
More of Gamma AI Compared
Here is how Gamma AI stacks up against other competitors:
Gamma AI vs カンバ
ガンマが勝つ点: faster AI deck generation, chat-based editing, web-native pages
Canvaが優れている点: a bigger design suite, more stock assets, print options
Gamma AI vs トメ
ガンマが勝つ点: a free plan, one-click restyle, present mode with analytics
Tomeが勝つ点: a sleek narrative flow, tight AI storytelling, minimal layouts
Gamma AI vs 美しいAI
ガンマが勝つ点: lower price, document and web page output, an example-rich template library
美しいAIが勝利を収める: smart slide auto-layout, team brand locking, polished chart tools
More of B12 AI Compared
Here is how B12 AI stacks up against other website builders:
B12 AI vs 耐久性
B12が勝つ点: design and copywriting experts, deeper client tools, phone support
耐久性に優れた製品は以下の点で優れています。 a lower entry price, faster solo setup, simpler dashboard
B12 AI vs 10ウェブ
B12が勝つ点: built-in invoicing, online appointment scheduling, contact management
10Webが勝利した項目: WordPress hosting, page speed tools, more plugin freedom
B12 AI vs フレーマ
B12が勝つ点: service-provider workflows, recurring invoices, an SEO service in the plan
フレーマーが勝利した点: pixel-level design control, animation, developer-friendly layouts
よくある質問
ガンマAIとは何ですか?
Gamma AI is a create tool that uses AI to generate presentations, documents, and web pages from a single prompt in seconds.
Gamma AIは無料で利用できますか?
Yes. Gamma has an always-free plan with limited AI credits. Paid plans start at $8/month for more generation and features.
Is the B12 AI website builder free?
You can build a free B12 website draft. To publish with a custom domain and full features, you need a paid plan from $42/month.
B12とはどのような会社ですか?
B12 is a New York company that builds an AI powered website builder for professional service providers like lawyers, accountants, and coaches.
Which tool should I choose for my business?
Choose Gamma to create presentations and simple pages cheaply. Choose B12 for a full professional website that serves clients online.













