

⚡ Quick Verdict:
- 価格: Gamma AI starts at $8/month. Siter starts at $7/month. Both keep a free plan.
- 最適な用途: Gamma AI for a new プレゼンテーション, docs, and quick websites. Siter io for full creative control over responsive sites.
- 主な違い: Gamma AI is an AI ジェネレータ. Siter is a no code website builder with a Figma plugin.
- Our pick: Gamma AI for most users who want speed. It turns a chat prompt into finished pages.

Gamma AI and Siter io both help you build online without code.
しかし、それらは全く異なる問題を解決する。
ガンマは AIツール that can create a new presentation in seconds.
Siter is a no code website builder for designers who want full control.
This guide breaks down both tools so you can pick the right one.
概要
This Gamma vs Siter comparison covers pricing, key features, and ease of use.
We also cover who each design tool works best for.
Our writers spent hands-on time with each platform.
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 tool that lets you create decks, docs, and web pages fast.
You type a prompt, and the AI generates a working draft in under a minute.
You can then restyle the whole deck in one click.
Gamma launched in beta before its wider release and grew fast since.
Teams use it for ピッチ decks, marketing content, and internal reports.
It works across industries, from education to real estate to technology.

🏆 Winner: Gamma AI
Turn one chat prompt into a full presentation, document, or website. The AI generates a first draft in seconds, and you refine from there.
Gamma AI Pricing
Here is what Gamma AI 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 フリーランサー |
| プロ | 月額15ドル | Brand themes and analytics |
Pricing verified July 2026.

無料トライアル: The free plan is always free with limited AI credits. No card is needed to start.
返金保証: Paid plans bill monthly or yearly. You can cancel before the next cycle.
📌 注記: Paid plans add brand consistency tools, including custom themes and logos for a polished look.
⚠️ 警告: The free plan runs on AI credits. Heavy users will hit limits and need a paid plan.
Key Benefits of Gamma AI
Here is what makes Gamma AI worth considering:
- Fast Create Flow: The AI can generate a working deck from a single prompt. A first draft appears in under a minute.
- ワンクリックでスタイル変更: Change your whole theme 即座に. A flexible template helps you work faster.
- Present Mode: A built-in present mode helps you get your point across on any screen.
- Web-Native Content: Build scrollable pages with quizzes and videos, not just static slides.
- コラボレーションツール: Comments and quick reactions make team review simple. Multiple people can edit at once.
- 組み込み分析機能: Share your work online and measure engagement with 報告.

What Our Team Noticed
私たちの 作家 signed up for Gamma AI and built a few decks and a webpage. Here is what stood out:

Gamma AI Pros & Cons
✅ メリット
- The AI generates a full draft from one prompt in under a minute
- One-click restyle changes the whole deck theme instantly
- Makes decks, documents, and web pages in one platform
- Built-in analytics measure how your audience engages
❌ デメリット
- The free plan is capped by AI credits
- Less pixel-level control than a true website builder
- The AI editor can repeat errors on complex edits
What is Siter io?
Siter io is a no code website builder for UI and UX designers.
You build responsive sites with a drag and drop interface.
No coding knowledge or coding skills are needed to publish live websites.
A Figma plugin lets you turn Figma designs into a fully functional site.
Siter focuses on visual design, so you get full creative control.
It suits portfolios, landing pages, 仕事 websites, and simple sites.

サイトio
A code website builder for designers. Drag elements onto a freehand canvas and publish beautiful websites with your own domain.
Siter io Pricing
Here is what Siter io costs in 2026. Let’s break it down.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 無料 | 無料 | 10 web pages, 3 forms |
| ソロ | 月額7ドル | One designer, one site |
| プラス | 月額12ドル | More pages and a custom domain |
| プロ | 月額24ドル | Teams and larger projects |
Pricing verified July 2026.

無料トライアル: The free plan lets you create up to ten web pages and use up to three forms.
返金保証: Plans bill monthly or yearly. Yearly billing lowers the per-month cost.
📌 注記: A custom domain connection is included on paid plans, which makes the site appear more professional.
⚠️ 警告: Some listings quote Solo at $8, Plus at $14, and Pro at $28. We use Siter’s current rates of $7, $12, and $24. Confirm the price at checkout.
Key Benefits of Siter io
Here is what makes Siter io worth considering:
- Freehand Design Tool: Build with a visual editor and full control over layouts and animations. You can readily create simply attractive designs.
- Figmaプラグイン: Work directly with your Figma designs and turn them into live websites without touching HTML.
- レスポンシブデザイン: The builder creates responsive layouts from the largest desktop computer to the smallest screen.
- グループとレイヤー: A Layer Panel helps manage this multi layered product on complex pages.
- カスタムドメイン: Connect your own domain and publish a fully functional site in a few mouse clicks.
- オンページ SEO: Essential SEO settings plus Google Analytics help search engines find your pages.

What Our Team Noticed
Our writer used Siter io to build a landing page from a template. Here is what stood out:

Siter io Pros & Cons
✅ メリット
- No code builder with a familiar drag and drop workflow
- Figma plugin turns designs into live websites fast
- Free plan covers ten web pages and three forms
- Full creative control over responsive layouts and animations
❌ デメリット
- Fewer third-party integrations than other 建設業者
- Support varies, and some users report slow replies
- No AI generator, so you build every page by hand
機能比較
Ready to dig into Gamma AI vs Siter io in detail?
We compare nine key features to help you find the right platform.
| 特徴 | ガンマAI | サイトio |
|---|---|---|
| 開始価格 | 月額8ドル | 月額7ドル |
| 無料プラン | ✅ | ✅ |
| AIジェネレータ | ✅ | ❌ |
| Drag and Drop Interface | 限定 | ✅ |
| Figmaプラグイン | ❌ | ✅ |
| レスポンシブデザイン | ✅ | ✅ |
| カスタムドメイン | ✅ | ✅ |
| 最適な用途 | Presentations and docs | Responsive websites |
1. コア機能
ガンマAI: This is an AI generator, not just a builder. You chat with the AI, and it processes your prompt to create a new presentation, document, or webpage. The whole process takes seconds, so you skip the blank canvas.

サイトio: Siter is a website builder that gives you full control. You place each element by hand on a freehand canvas. Designers who spent weeks hand-coding get the same result here without any development work.
2. テンプレート
ガンマAI: Gamma offers a whole universe of flexible templates that help you work faster. Each example is easy to edit, and one click restyles the theme across every slide.
サイトio: Siter gives you an extensive template list across portfolios, business websites, and blogs. These pre built templates give a design base you can modify. The very extensive template list helps you readily create a site from scratch too.
3. Drag and Drop Editor
ガンマAI: Editing is card-based rather than freehand. You move blocks and let the layout adjust for you. This keeps things simple, but it trades some pixel-level control.
サイトio: Siter’s drag and drop interface is the core of the tool. Dragging elements onto the canvas feels like a design tool, not a form. Inline editing lets you click any 文章 and start typing.
4. Figma Plugin
ガンマAI: Gamma has no Figma plugin. It builds from AI prompts instead of imported design files. For pure design import, this is a gap.
サイトio: The Figma plugin is a standout. You can easily access and import Figma designs, then publish them as live websites. This familiar workflow saves web designers real hours.

5. レスポンシブデザイン
ガンマAI: Gamma content is responsive by default. You can share on any device, including laptops, tablets, and phones, and it adapts to different screen sizes.
サイトio: Siter creates responsive layouts and lets you control how the site appears on each device. You tune the view from the largest desktop computer down to the smallest screen.
6. コラボレーションツール
ガンマAI: Gamma supports real-time collaboration. Multiple users work at once, and comments plus quick reactions keep feedback in one place.
サイトio: Siter also allows real-time collaboration. These collaboration tools let team members build a project together on one shared canvas.
7. Publishing and Domains
ガンマAI: You publish online and share a link in seconds. Present mode and publishing features make it easy to engage your audience anywhere in the world.
サイトio: Once your design is ready, you preview it and click Publish to go live. You can connect your own custom domain so the site looks professional.
8. SEOと分析
ガンマAI: Built-in analytics measure engagement on your shared work. You see how the audience moves through your content.
サイトio: Siter offers essential on-page SEO settings and integrates with Google Analytics. It also connects with tools like メールチンプ for wider tracking.
9. 使いやすさ
ガンマAI: The user friendly interface hides the hard parts. You don’t need to be a coder, only a person with an idea to type into the chat.
サイトio: Siter has an intuitive interface and intuitive design that designers pick up fast. It is a great tool for building basic websites and beautiful websites alike, with no coding skills required.
10. 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 | ガンマAI | サイトio |
|---|---|---|
| 無料 | $0 always free | 10ページ、3つのフォーム |
| エントリ | Plus $8/month | Solo $7/month |
| 中 | Pro $15/month | Plus $12/month |
| トップ | — | Pro $24/month |
ガンマAI: Two paid tiers keep things simple. Plus at $8/month suits solo creators, while Pro at $15/month adds brand themes and analytics.
サイトio: Three paid tiers give more room to grow. Solo starts at $7/month, and Pro at $24/month covers teams building more web pages.
さまざまなシナリオ
| 必要な場合は | 選ぶ | なぜ |
|---|---|---|
| A fast new presentation | ガンマAI | AI drafts in under a minute |
| Full creative control | サイトio | Freehand visual editor |
| Figma design import | サイトio | Figmaネイティブプラグイン |
| Docs and websites in one | ガンマAI | Multi-format generator |
| 最低価格 | サイトio | Solo plan at $7/month |
💰 あなたの予算
Siter’s Solo plan starts a dollar lower. Both keep a free plan, so you can test before you pay.
🔌 あなたの技術スタック
Siter connects with Figma, Mailchimp, and Google Analytics. Gamma leans on its own AI and publishing tools.
📝 コンテンツの種類
Pick Gamma AI for decks and documents. Pick Siter io to build professional websites and landing pages.
🎓 あなたの経験レベル
Beginners lean toward Gamma’s chat-first flow. Designers with a UI and UX designer background prefer Siter’s canvas.
🆓 無料トライアルとデモ
Try both free plans on a real project first. Gamma’s free credits and Siter’s ten free pages show each workflow.
🛟 サポートオプション
Support varies on both. Some Siter users report slow replies from the support team, so test response times 早い.
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 Siter io?
✅ 得られるもの:
- A true drag and drop website builder
- A Figma plugin to import Figma designs
- Full creative control over every element
❌ 失うもの:
- The AI generator that drafts content for you
- One-click restyle across a whole deck
- Native document and slide creation
📋切り替え方法:
- Export your content and images from Gamma
- Create a Siter io account and pick a template
- Rebuild the pages on the Siter canvas
🔄 Switching from Siter io to Gamma AI?
✅ 得られるもの:
- An AI generator for decks, docs, and pages
- One-click restyle and present mode
- Built-in analytics on shared content
❌ 失うもの:
- The Figma plugin and design import
- Freehand, pixel-level layout control
- A dedicated website builder canvas
📋切り替え方法:
- Save your Siter copy and image assets
- Open Gamma and select Create new AI
- Prompt the AI, then refine each page
What Our Review Didn’t Cover
This comparison focused on solo creators and small teams. We didn’t test large enterprise rollouts or custom API work in depth. Our notes are based on the July 2026 versions of each platform, so features may change over the past year and beyond. If you build 50-page sites or need heavy development work, your priorities may differ from what we covered here.
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰価格 | サイトio |
| 🚀 Speed to First Draft | ガンマAI |
| 🎨 デザインコントロール | サイトio |
| 🤖 AI機能 | ガンマAI |
| 👶 使いやすさ | ガンマAI |
| 🔌 連携機能 | サイトio |
| 🏆総合優勝 | ガンマAI |
🏆 WINNER: GAMMA AI
Gamma AI wins on speed, AI features, and ease of use.
最適な用途: New presentation drafts, documents, and quick websites from a chat prompt.
Gamma AI and Siter io are two very different products.
Gamma is an AI generator for decks, docs, and simple sites.
Siter io is a no code website builder with a design tool feel.
Siter is excellent for designers who want full control over live websites.
But if you want to create finished content fast, Gamma AI is the better pick.
More of Gamma AI Compared
Here is how Gamma AI stacks up against other tools:
Gamma AI vs カンバ
Gamma AI wins on: AI drafting from one prompt, faster deck creation, web-native pages
Canvaが優れている点: Bigger asset library, print design, brand kit depth
Gamma AI vs トメ
Gamma AI wins on: Broader output types, present mode, built-in analytics
Tomeが勝つ点: Narrative story layout, sales-focused templates
Gamma AI vs 美しいAI
Gamma AI wins on: Documents and websites too, generous free plan, chat editing
美しいAIが勝利を収める: Smart slide rules, tighter team controls
More of Siter io Compared
Here is how Siter io stacks up against other builders:
Siter io vs フレーマ
Siter io wins on: Lower entry price, simpler learning curve, quick simple sites
フレーマーが勝利した点: Advanced CMS, richer animations, larger community
Siter io vs 耐久性
Siter io wins on: Freehand creative control, Figma plugin, design-first editor
耐久性に優れた製品は以下の点で優れています。 AI-generated first draft, built-in business tools
Siter io vs 10ウェブ
Siter io wins on: Cleaner visual canvas, no WordPress overhead, easier start
10Webが勝利した項目: WordPress hosting, ecommerce plugins, AI site builder
よくある質問
ガンマAIとは何ですか?
Gamma AI is a tool that helps you create presentations, documents, and web pages from a chat prompt. The AI generates a working draft 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 and add brand themes, analytics, and more capacity.
How does Siter io work?
You sign up, pick a template or blank canvas, then drag elements to design pages. When ready, you preview and click Publish to go live.
How much does Siter io cost?
Siter has a free plan for ten web pages. Paid plans are Solo at $7/month, Plus at $12/month, and Pro at $24/month.
最も優れたウェブサイト構築ツールとは何ですか?
It depends on your goal. Gamma AI is the best pick for fast content and simple sites. Siter io is better for designers who want full control.













