

⚡ Quick Verdict:
- 価格: Synthesia starts at $18/month vs Hour One at $30/month for paid plans.
- 最適な用途: Synthesia for training videos and corporate L&D, Hour One for fast text-to-video and custom avatars.
- 主な違い: Synthesia includes a built-in AI screen recorder, AI video assistant, and 1-click translation. Hour One focuses on a simple text-to-video flow with API integration.
- Our pick: Synthesia for most users — it has a wider feature set and a lower starting price.

Choosing between Synthesia and Hour One comes down to one question.
Do you need a wide AI video toolkit or a simple text-to-video flow?
AIビデオ 発電機 turn typed scripts into professional videos.
But they solve different problems for different teams.
This Synthesia vs Hour One detailed comparison breaks down both AI video tools.
It walks through Synthesia Hour One pricing differences plus the key features Hour One and Synthesia each lead on.
By the end, you will know the right solution for your 仕事 ニーズ。
概要
This Synthesia vs Hour One comparison covers pricing plans, key features, and ease of use.
We also break down who each AI video generator works best for.
私たちの 作家 signed up for both platforms to test the video creation flow.
Those observations appear in the “What Our Team Noticed” sections below.
Other sources include published specs, documentation, and G2 reviews.
By the end, you will know which tool fits your video content needs.
Synthesiaとは何ですか?
Synthesia is an AI video generator for creating professional videos from text.
It helps teams make training videos, how-to videos, and product marketing videos.
The platform includes lifelike AI avatars, 音声クローン, and a media library.
You can pick stock avatars or create custom avatars that look like real people.
Synthesia is trusted by over 60% of the Fortune 100 for corporate video creation.
Most users choose it for the wide language support and high quality videos.

シンセシア
Synthesia turns plain text into high quality videos with AI avatars. It supports more than 140 languages and accents. The platform is built for team collaboration on video content.
シンセシアの価格
Here is what Synthesia costs in 2026. Let’s break it down.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| スターター | 月額18ドル | Solo creators making short videos |
| クリエイター | 月額64ドル | Small teams making professional videos |
| 企業 | カスタム価格設定 | 高度なニーズを持つ大企業 |
Pricing verified April 2026.

無料トライアル: Yes — Synthesia offers a free plan that lets you make short demo videos without a credit card.
返金保証: Synthesia does not advertise a standard refund window. Annual plans may qualify on a case-by-case basis.
📌 注記: The Starter plan caps you at 120 minutes of video per year. The Creator plan raises that limit and unlocks more stock avatars and templates.
⚠️ 警告: Custom avatars are only on the Enterprise plan. The Starter and Creator plans give you stock avatars only.
Synthesiaの主な利点
Here is what makes Synthesia worth considering:
- リアルな AI アバター: Synthesia offers 230+ stock avatars with micro gestures and natural lip sync. They look closer to real people than most virtual characters in this category.
- ワンクリック翻訳: The platform lets you translate full videos into 140+ languages with one click. This is great for global training and corporate L&D teams.
- AIビデオアシスタント: The AI Video Assistant turns documents, PDFs, or links into a first draft video. It saves hours of script writing for busy teams.
- AIスクリーンレコーダー: A built-in screen recorder lets you mix avatar narration with screen captures. This is rare in this AI video generator category.
- カスタムテンプレート: Synthesia offers a vast library of video templates for sales, training, and marketing. You can also save your own custom templates for brand consistency.
- 企業 安全: Synthesia is SOC 2 Type II certified and GDPR compliant. It is highly secure and built for team workflows.
- LMS Integrations: The platform plugs directly into Learning Management Systems. Training teams can publish videos to LMS without extra steps.

What Our Team Noticed
Our writer signed up for Synthesia and spent several days exploring the platform. Here is what stood out from that hands-on time:

Synthesiaの長所と短所
✅ メリット
- 230+ lifelike AI avatars with natural micro gestures
- 1-click video translation into 140+ languages and accents
- Built-in AI screen recorder for mixed-format videos
- SOC 2 Type II and GDPR compliant for enterprise teams
- Vast library of templates for sales, training, and marketing
❌ デメリット
- Custom avatars are locked to the Enterprise plan
- Starter plan caps video minutes at 120 per year
- Avatar gestures can feel slightly stiff in long videos
1時間目とは何ですか?
Hour One is an AI video generator built around a simple text-to-video flow.
It helps marketing and learning teams turn scripts into AI avatar videos quickly.
The platform offers realistic human avatars based on real people.
You can also create custom avatars from your own footage.
Hour One supports many languages and offers an API for video generation at scale.
Most users choose it for the fairly easy interface and quick text to video generation.

1時間目
Hour One is an AI video tool with realistic human avatars and a clean user interface. It is well suited for fast video generation from scripts. The platform also offers an API for teams scaling video content.
1時間目の料金
Here is what Hour One pricing looks like in 2026. Let’s break it down.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 無料トライアル | $0 | Testing the platform briefly |
| ライトプラン | 月額30ドル | 個人クリエイターと小規模プロジェクト |
| 仕事 プラン | 月額112ドル | Marketing and learning teams |
| 企業計画 | カスタム価格設定 | APIアクセスを必要とする大企業 |
Pricing verified April 2026.

無料トライアル: Yes — Hour One offers a free trial that lets you create short test videos before paying.
返金保証: Hour One does not list a public refund policy. Annual subscriptions may be reviewed on request.
📌 注記: The Lite plan limits monthly video minutes. The Business plan adds more minutes, more avatars, and access to advanced video templates.
⚠️ 警告: Custom avatar creation is gated behind higher tiers. The free trial and Lite plan do not include this feature.
1時間目の主なメリット
Here is what makes Hour One worth a closer look:
- リアルな人間アバター: Hour One trains its AI avatars on real people. The result is natural-looking presenters for explainer and training content.
- カスタムアバター作成: Business and Enterprise users can create custom avatars. This is helpful for brand-aligned spokesperson videos.
- シンプルなテキストからビデオへの変換: The platform turns a typed script into a finished video in a few clicks. The video wizard guides new users through the steps.
- Pre-Built Video Templates: Hour One ships with templates for sales, learning, and product marketing. New users can publish a first draft fast.
- API統合: Hour One offers an API for video generation at scale. This is rare among text-to-video tools at this price point.
- 言語と声: The platform supports many languages and voices. Teams can produce localized videos without recording new audio.
- 動画翻訳: Hour One can translate existing videos into other languages. This helps marketing teams reuse video content across regions.

What Our Team Noticed
Our writer signed up for Hour One and made a few short videos with the video wizard. Here is what stood out:

1時間目のメリットとデメリット
✅ メリット
- Realistic human avatars trained on real people
- Custom avatar creation for brand-aligned videos
- Video wizard makes the workflow fairly easy for beginners
- API integration for video generation at scale
- Free trial available without upfront payment
❌ デメリット
- Lite plan starts at $30/month, higher than Synthesia’s Starter plan
- Smaller stock avatar selection than Synthesia
- No built-in screen recorder for mixed-format videos
機能比較
Ready to dive into a detailed comparison of Synthesia vs Hour One? We will explore the key features, the user interface, and how each platform handles real video projects. The goal is a quick comparison you can use to pick the right solution for your team.
| 特徴 | シンセシア | 1時間目 |
|---|---|---|
| 開始価格 | 月額18ドル | 月額30ドル |
| 無料プラン | ✅ Free plan | ✅ 無料トライアル |
| Stock AI Avatars | ✅ 230+ avatars | ✅ Smaller library |
| カスタムアバター | ✅ 法人向けのみ | ✅ Business plan and up |
| ワンクリック動画翻訳 | ✅ 140+ languages | ✅ 利用可能 |
| AIスクリーンレコーダー | ✅内蔵 | ❌ 利用できません |
| AIビデオアシスタント | ✅内蔵 | ❌ 限定 |
| API統合 | ✅ 法人向けのみ | ✅ Available on paid plans |
| 最適な用途 | Training and corporate L&D | Fast text to video at scale |
1. AIアバター
シンセシア: Synthesia offers 230+ stock avatars with subtle micro gestures and natural lip sync. Avatars are based on real people and look closer to a human presenter than most virtual characters. Custom avatars are available on the Enterprise plan for brand-aligned spokesperson videos.

1時間目: Hour One trains its AI avatars on real people too. The library is smaller than Synthesia’s vast library but the realism is competitive. Custom avatar creation is available on the Business plan and above.

2. Text-to-Speech and Voice Cloning
シンセシア: Synthesia includes natural text-to-speech voices in 140+ languages. The platform also supports voice cloning so a real presenter can keep their own voice across videos. The output sounds clean and matches avatar lip sync well.

1時間目: Hour One offers a wide set of voices and languages too. The text-to-speech quality is solid for explainer and training content. Voice cloning depends on plan tier and is more limited than Synthesia’s options.
3. Video Templates and Custom Templates
シンセシア: Synthesia ships with a vast library of video templates for sales, training, marketing, and HR. You can also save custom templates for brand consistency across your team. New users can publish a first draft within minutes.

1時間目: Hour One offers pre-built video templates for product marketing, learning, and sales videos. The selection is smaller than Synthesia’s but covers the main business needs. Templates are easy to edit inside the video wizard.

4. AI Video Editor and Wizard
シンセシア: シンセシアの AIビデオエディター handles scenes, avatar choice, captions, and background music in one place. The user interface is plug-and-play and works for both beginners and advanced users. Editing video content is fast once you learn the basic flow.

1時間目: Hour One uses a guided video wizard that walks you through script, avatar, and template choices. The interface is fairly easy for new users with no video editing skills. Power users may find the editor less flexible than Synthesia’s.

5. AIビデオアシスタント
シンセシア: Synthesia’s AI Video Assistant turns documents, PDFs, or web links into a first draft video. This saves hours on script writing and storyboarding. It is one of the standout features in Synthesia’s full feature set.

1時間目: Hour One’s video wizard helps with structure but does not pull from external documents the same way. You bring your script and the wizard handles the rest. This works fine for marketing videos but offers less help with long training content.
6. AI Screen Recorder
シンセシア: Synthesia includes a built-in AI screen recorder. You can record your screen and mix the capture with avatar narration in the same video. This is great for software walkthroughs and how-to videos.

1時間目: Hour One does not include a screen recorder in the core platform. Teams making product demos need to record screens elsewhere and import them. This adds extra steps to the video creation workflow.
⚠️ 警告: If your team makes a lot of software walkthrough videos, the missing screen recorder in Hour One can slow your workflow.
7. 1-Click Video Translation
シンセシア: Synthesia translates full videos into 140+ languages with one click. The avatar’s voice and lip sync are updated automatically. This is a useful feature for global training and L&D teams that publish in many regions.

1時間目: Hour One supports video translation across many languages. You can repurpose existing video content for other regions. The supported language count is more limited than Synthesia’s broader range.

8. コラボレーションと共有
シンセシア: Synthesia is built for team collaboration on video projects. Teams can comment, share, and reuse templates across the workspace. The platform plugs into Learning Management Systems for smooth training rollouts.

1時間目: Hour One offers basic sharing and team workflows on higher plans. Collaboration features are simpler than Synthesia’s. Larger L&D teams may want to test the workflow before committing.
9. APIと統合
シンセシア: Synthesia offers API access on the Enterprise plan. The API supports video generation at scale and ties into custom workflows. The platform also integrates with major LMS tools and content systems.
1時間目: Hour One offers API integration on its paid plans. This is rare in this category at this price point. Engineering teams can plug Hour One into product flows for automated video creation.

価格とコスト
Let’s compare the pricing plans of Synthesia and Hour One side by side.
| プラン | シンセシア | 1時間目 |
|---|---|---|
| 無料 | 無料プラン | Free Trial: $0 |
| エントリープラン | Starter: $18/month | Lite: $30/month |
| 中間計画 | Creator: $64/month | Business: $112/month |
| トッププラン | 企業向け:カスタム価格設定 | 企業向け:カスタム価格設定 |
シンセシア: Synthesia is the cheaper option at every tier. The Starter plan at $18/month is a friendly entry point for solo creators. The Creator plan at $64/month adds more video minutes, more stock avatars, and full team features.
1時間目: Hour One pricing starts at $30/month for the Lite plan. The Business plan at $112/month adds more avatars and the API. Both Hour One and Synthesia offer custom pricing on the Enterprise plan for unlimited video minutes.
さまざまなシナリオ
Use this decision matrix to match your business needs to the right solution. The key factors below cover budget, team size, and feature priorities.
| 必要な場合は | 選ぶ | なぜ |
|---|---|---|
| 予算が限られている | シンセシア | $18/month vs $30/month entry |
| Lifelike AI avatars and 1-click translation | シンセシア | 140+ languages, micro gestures |
| API for automated video generation | 1時間目 | API on lower-priced plans |
| Software walkthroughs and how-to videos | シンセシア | 内蔵スクリーンレコーダー |
| Simple text-to-video flow | 1時間目 | Guided video wizard |
| Corporate training and LMS rollout | シンセシア | SOC 2, GDPR, LMS plug-in |
| 初心者向け | シンセシア | Plug-and-play interface |
💰 あなたの予算
Synthesia’s Starter plan is $12/month cheaper than Hour One’s Lite plan. If budget is the top concern for AI video tools, Synthesia is the safer pick.
🔌 あなたの技術スタック
Hour One’s API is available on lower-priced plans, which helps engineering teams. Synthesia keeps API access on the Enterprise plan only.
📝 あなたの文章スタイル
If you start from documents and PDFs, Synthesia’s AI Video Assistant pulls drafts faster. If you write clean scripts, Hour One’s video wizard is fairly easy to use.
🎓 あなたの経験レベル
Both platforms work for beginners with no video editing skills. Allowing users to skip technical steps, both tools focus on simple text to video generation.
🆓 無料トライアルとデモ
Synthesia offers a free plan that lets you make short demo videos. Hour One offers a free trial. Test both before paying for any plan.
🛟 サポートオプション
Both platforms offer email support and help documentation. Synthesia adds priority support and dedicated success managers on the Enterprise plan.
切り替えガイド
Already using one of these AI video tools? Here is what to expect if you switch platforms.
🔄 SynthesiaからHour Oneに切り替えますか?
✅ 得られるもの:
- API access on lower-priced plans for automated video generation
- A guided video wizard that simplifies the creation flow
- Realistic human avatars trained on real people
❌ 失うもの:
- Synthesia’s vast library of 230+ stock avatars
- Built-in AI screen recorder for software walkthroughs
- 1-click translation across 140+ languages
📋切り替え方法:
- Export your scripts and assets from your Synthesia workspace
- Sign up for a free trial of Hour One and test the video wizard
- Rebuild your top videos in Hour One using its templates
🔄 Hour OneからSynthesiaに切り替えますか?
✅ 得られるもの:
- A vast library of 230+ AI avatars and templates
- Built-in AI screen recorder for software walkthroughs
- 1-click video translation into 140+ languages
❌ 失うもの:
- API access on lower-priced plans (API is Enterprise only on Synthesia)
- The simpler Hour One video wizard for first-time users
- Hour One’s specific custom avatar onboarding flow
📋切り替え方法:
- Save your scripts and brand assets from your Hour One account
- Sign up for the Synthesia free plan and try a short test video
- Rebuild your videos using Synthesia’s templates and AI Video Assistant
What Our Review Didn’t Cover
This Synthesia vs Hour One comparison focused on solo creators and small to mid-size teams. We did not test the full Enterprise plan flow on either platform. We also did not benchmark deepbrain ai or other AI video generators in this review. Our observations are based on the April 2026 versions of both AI video tools, so features may have changed since then. If you are running large global rollouts with hundreds of users, your priorities may differ from what we have covered here.
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰価格 | シンセシア |
| 🚀 主な機能 | シンセシア |
| 🤖 AIアバター | シンセシア |
| 🌍翻訳 | シンセシア |
| 👶 使いやすさ | 1時間目 |
| 🔌 API Integration | 1時間目 |
| 🏆総合優勝 | シンセシア |
🏆 優勝:シンセシア
Synthesia wins 4 out of 6 categories.
最適な用途: Corporate training videos, global L&D rollouts, and software walkthroughs
Synthesia and Hour One are two strong AI video generators with different focus areas. Synthesia bundles a wider feature set: 230+ AI avatars, 1-click translation, an AI screen recorder, and the AI Video Assistant. Hour One is built around a simple text-to-video flow with realistic human avatars and an API for video generation at scale.
Hour One is well suited for marketing teams and engineering teams that want API access on a lower-priced plan. Its video wizard makes the workflow fairly easy for users with no video editing skills. However, the lite plan starts higher than Synthesia’s Starter plan and the platform is missing a screen recorder.
For most users, this Synthesia vs Hour One comparison points to Synthesia as the better pick. It costs less to start, has a vast library of stock avatars and templates, and includes the kind of all the features that training and marketing teams need. Pick Hour One if you specifically need its API or its custom avatar workflow on a smaller plan. The Hour One Synthesia decision usually comes down to feature breadth versus simplicity, so test both before committing.
Synthesiaの比較
Here is a detailed overview of how Synthesia stacks up against other AI video generators in the market:
Synthesiaが優れている点: Larger stock avatar library, deeper LMS integrations, broader language support for 1-click translation
HeyGenが勝利した点: Faster custom avatar creation flow, more flexible voice cloning, lower entry pricing for individual creators
Synthesia vs コロサイ
Synthesiaが優れている点: More polished AI avatars, broader template library, stronger enterprise security with SOC 2 Type II
コロシアンの勝利: Multi-avatar conversation scenes, scenario-based training ビルダー, branching interactive video paths
Synthesia vs DeepBrain AI
Synthesiaが優れている点: Cleaner user interface for new users, more video templates, easier collaboration on team projects
DeepBrain AIが勝利した点: Hyper-realistic avatars for news and finance use cases, lower-priced video minutes at the entry tier
Synthesia vs した
Synthesiaが優れている点: Better full-video workflow, built-in screen recorder, deeper LMS plug-and-play setup
D-IDが勝利した点: Photo-to-avatar animation, lighter API for image-based talking heads, lower-cost short clip pricing
1時間目の比較
Beyond the Hour One vs Synthesia matchup, here is how Hour One stacks up against other AI video tools you may be evaluating. Use this as a quick way to compare Hour One side by side with each rival on key features.
アワーワンの勝利点: Cleaner video wizard for new users, more polished marketing templates, stronger focus on real-people avatars
HeyGenが勝利した点: Larger stock avatar library, more affordable individual plan, faster avatar refresh and feature releases
1時間目対コロシアン
アワーワンの勝利点: Simpler text-to-video workflow, easier custom avatar onboarding, faster first-video creation for marketing
コロシアンの勝利: Branching scenario videos for training, multi-avatar conversation scenes, broader scenario template set
1時間目 vs エライ
アワーワンの勝利点: More realistic human avatars, cleaner Business plan for teams, smoother API integration for engineering teams
エライの勝利条件: Lower entry pricing, broader language voice options at the starter tier, simpler PowerPoint-to-video import
Hour One vs DeepBrain AI
アワーワンの勝利点: Friendlier user interface for marketing teams, more flexible video templates, faster business plan onboarding
DeepBrain AIが勝利した点: Stronger anchor-style avatars for news content, deeper Korean and Asian language support, lower per-minute cost at scale
よくある質問
Below are the commonly asked questions we hear from teams who compare Hour One and Synthesia, with short answers based on each platform’s website and documentation.
Synthesiaよりも優れたものってあるのだろうか?
For most users, Synthesia is the strongest all-in-one AI video generator on the market. HeyGen and DeepBrain AI are solid alternatives if you want different avatar styles or pricing. The right choice depends on your team size and budget.
HourOne AIは信頼できるものですか?
Yes, Hour One is a legitimate AI video tool used by marketing and learning teams. It is well suited for fast text to video generation with realistic human avatars. The platform offers a free trial so you can test it before paying.
HourOne AIの代替となるものは何ですか?
Synthesia is the most direct alternative to Hour One AI. Other options include HeyGen, Colossyan, and Elai. Each one handles AI avatars and text to video creation in slightly different ways, so testing free plans is a good first step.
Synthesiaは完全に無料ですか?
No, Synthesia is not completely free. The platform offers a free plan that lets you make short demo videos with limited features. Paid plans start at $18/month with the Starter plan and add more avatars, video minutes, and key features.
What are the disadvantages of Synthesia?
The main downsides are that custom avatars are locked to the Enterprise plan and the Starter plan caps annual video minutes. Avatar gestures can also feel slightly stiff in long videos, and there is no basic plan below the Starter tier. For most business needs, the wide feature set still makes Synthesia a strong choice for making videos at scale, especially for teams who want to create videos from documents and existing images.













