

⚡ Quick Verdict:
- 価格: Synthesia starts at $18/month vs DeepBrain at $24/month (annual billing).
- 最適な用途: Synthesia for corporate training and global content; DeepBrain for hyper-realistic news-style avatars.
- 主な違い: Synthesia supports 140+ languages and offers a wider avatar library; DeepBrain focuses on photo-realistic digital humans for high-stakes use.
- Our pick: Synthesia for most users — broader features, better library, lower entry price.

Choosing between Synthesia vs DeepBrain comes down to one question.
Do you need broad language support or hyper-realistic avatars?
Both tools handle ai video generation from written scripts in minutes.
You can produce high quality videos without cameras or actors.
Synthesia leans toward training videos and global marketing.
DeepBrain AI focuses on lifelike digital humans for news and customer service.
This guide compares both options for creating videos at scale.
概要
This comparison covers pricing, features, and ai video creation quality.
We also break down who each tool works best for.
Our writers spent hands-on time with both ai video tools.
Those observations appear in the “What Our Team Noticed” sections below.
By the end, you’ll know which ai video ジェネレータ あなたのニーズに適合します。
Synthesiaとは何ですか?
Synthesia is an ai video generator that turns text into professional videos.
The platform uses ai driven video generation to build scenes from your script.
You pick a digital avatar, type your script, and the tool builds the video.
It supports over 140 languages with native ai voices and multi language support.
Most users choose it for video content creation in training, marketing, and how to videos.
The platform is used by training teams, marketing teams, and global companies.

シンセシア
Create professional videos from plain text in minutes. Synthesia gives you 240+ ai avatars, 140+ languages, and a free plan to start.
シンセシアの価格
Here’s what Synthesia costs in 2026. Let’s break down each plan.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| スターター | 月額18ドル | 個人クリエイターと小規模チーム |
| クリエイター | 月額64ドル | Growing teams making regular video content |
| 企業 | カスタム価格設定 | Large companies with compliance and SSO needs |
Pricing verified April 2026.

無料トライアル: Yes. Synthesia offers a free plan with limited minutes per month. No credit card required.
返金保証: Synthesia does not advertise a money-back guarantee. You can cancel monthly plans at any time from account settings.
📌 注記: The $18/month and $64/month rates apply to annual billing. Monthly billing increases the cost to $29/month for Starter and $89/month for Creator.
⚠️ 警告: Studio-quality custom avatars cost an extra $1,000/year as a paid add-on. Some features like SCORM export and 1-click translation are locked to the Enterprise plan.
Synthesiaの主な利点
Here’s what makes Synthesia worth considering:
- 膨大なアバターライブラリ: Access to 240+ diverse ai avatars across the Enterprise plan, with 125+ available on Starter. The library covers different ages, ethnicities, and outfits.
- 多言語サポート: Generate videos in over 140 languages with native ai voices. This makes it useful for diverse global audiences.
- カスタムアバター: Create your own avatar from a short recording. Solo creators get one personal avatar with the annual Starter plan.
- AIスクリプトアシスタント: A built-in tool generates written scripts from prompts, similar to チャットGPT. This speeds up the creation process for explainer videos.
- インタラクティブ動画: Add clickable call-to-actions, branching paths, and quizzes. This boosts viewer engagement for training videos and product marketing videos.
- ワンクリック翻訳: Translate finished videos into other languages with a single click. The テキスト読み上げ feature handles voiceovers automatically.
- リアルタイムコラボレーション: Team members can edit videos together in shared workspaces. Guest reviewers can leave comments without taking a seat.

What Our Team Noticed
私たちの 作家 signed up for Synthesia and spent several days exploring the platform. Here’s what stood out from that hands-on time:

Synthesiaの長所と短所
✅ メリット
- Largest avatar library in the category with 240+ diverse ai avatars
- 140+ languages support reaches diverse global audiences
- Intuitive interface that beginners can pick up in under an hour
- 1-click video translation saves hours of localization work
- Strong template library for marketing videos and how to videos
❌ デメリット
- Higher price point than smaller competitors at scale
- Studio-quality custom avatar costs $1,000/year as an add-on
- Strict content moderation can flag legitimate medical or finance topics
- Some essential features locked to the Enterprise tier
DeepBrain AIとは何ですか?
DeepBrain AI runs a video creation tool called AI Studios.
It turns written scripts into ai generated videos with hyper-realistic avatars.
The platform produces high quality video content for ai generated content needs.
It supports over 80 languages and accents.
It is built for high-stakes use cases like news broadcasting and customer service.
DeepBrain AI also offers an Interactive AI Human for real-time conversational use.

ディープブレインAI
Generate compelling videos with hyper-realistic ai driven avatars. DeepBrain AI offers a free plan, 80+ languages, and PPT-to-video conversion.
DeepBrain AIの価格設定
Here’s what DeepBrain AI costs in 2026. Let’s break down each plan.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 無料 | 月額0ドル | Testing the platform with short clips |
| 個人的 | 月額24ドル | Solo creators making short ai video content |
| チーム | 1席あたり月額55ドル | Small teams with shared workspaces |
| 企業 | カスタム価格設定 | Large organizations needing custom avatars and SSO |
Pricing verified April 2026.

無料トライアル: Yes. The Free plan gives limited monthly credits, short video length, and basic avatar access.
返金保証: DeepBrain AI does not advertise a refund policy. Annual subscriptions offer a 20% discount over monthly billing.
📌 注記: Plans include monthly generative credits used for ai images and custom avatar creation. Most editing and avatar-video features don’t require credits.
⚠️ 警告: The Free plan only generates videos in horizontal style. Some users report slow video rendering compared to other ai video 発電機.
DeepBrain AIの主な利点
Here’s what makes DeepBrain AI worth considering:
- 超リアルなアバター: DeepBrain AI focuses on photo-realistic digital humans with natural micro gestures. The avatars suit news 報告 and customer-facing roles.
- 対話型AI人間: Real-time conversational ai driven avatars respond to user inputs. This works for kiosks, customer service, and live engagement.
- PowerPointから動画へ: Upload a PowerPoint deck and the platform converts each slide into a narrated scene. This streamlines the video creation process for trainers.
- 多言語対応機能: Create videos in over 80 languages with natural ai voices. The text to video generation handles lip sync automatically.
- Custom Pricing Based on Needs: Enterprise plans offer custom contracts and dedicated support. This is useful for high-volume video production.
- 3D and Studio Avatars: Higher tiers unlock 3D avatars and studio-quality custom avatars. These suit product marketing videos and branded campaigns.
- CES Innovation Award Winner: The company holds 148 patents in artificial intelligence. This gives the platform credibility for enterprise buyers.

What Our Team Noticed
Our writer signed up for DeepBrain AI and used it for short tutorial clips. Here’s what stood out from that hands-on time:

DeepBrain AIの長所と短所
✅ メリット
- Hyper-realistic avatars suited to news and corporate training
- Free plan available to test core features without payment
- PPT to video conversion saves time for training departments
- Real-time Interactive AI Human for kiosks and customer service
- Strong support presence including phone and chat
❌ デメリット
- Smaller language pool than Synthesia at 80+ vs 140+
- Avatar gestures sometimes feel less natural than competitors
- Slower video rendering reported by some users
- Free plan limits videos to horizontal orientation only
機能比較
Ready to dive into a detailed comparison of Synthesia vs DeepBrain?
We’ll explore nine key features to help you pick the right ai video generator.
This section walks through all the features both AIツール offer side by side.
The goal is to compare deepbrain ai with Synthesia on the points that matter most.
| 特徴 | シンセシア | ディープブレインAI |
|---|---|---|
| 開始価格 | 月額18ドル | 月額24ドル |
| 無料プラン | ✅ | ✅ |
| AIアバター | 240+ | 150+ |
| 言語 | 140+ | 80+ |
| カスタムアバター | ✅ | ✅ |
| ワンクリック翻訳 | ✅(企業向け) | ✅ |
| PowerPointから動画へ | ✅ | ✅ |
| インタラクティブビデオ | ✅ | ✅ (Real-time AI Human) |
| AIスクリプトアシスタント | ✅ | ✅ |
| 最適な用途 | Training and global content | News and corporate avatars |
1. AIアバター
シンセシア: Synthesia offers one of the largest avatar libraries on the market. The Enterprise plan unlocks 240+ ai driven avatars across different ages, ethnicities, and outfits. Customization options include outfit changes, voice tweaks, and background scenes. You can also create your own avatar from a short video recording.

ディープブレインAI: DeepBrain AI focuses on hyper-realistic ai generated avatars rather than sheer volume. The platform offers 150+ avatars with strong micro gesture rendering. This fits high-stakes use like news broadcasting where the avatar’s appearance matters most.

2. テキスト読み上げとAI音声
シンセシア: The text to speech feature covers 140+ languages with native accents. Voices include emotional tones and pause control. This makes the platform a strong fit for global marketing videos and multilingual training.

ディープブレインAI: DeepBrain AI supports 80+ languages with realistic ai voices. Users can generate video clips in multiple languages from the same script. The platform also lets you create a custom voice from a short recording. This works well for branded content creation but covers fewer markets than Synthesia.

3. ビデオテンプレート
シンセシア: Synthesia ships with an extensive library of video templates. You can pick layouts for explainer videos, training videos, and product marketing videos. The drag-and-drop video editor makes it easy to swap text, images, and avatars.

ディープブレインAI: DeepBrain AI offers ready-made templates organized by use case. Categories include corporate training, social posts, and how to videos. Users can save reusable templates inside team workspaces.

4. AIビデオエディター
シンセシア: The video editor inside Synthesia is built for non-editors. You drop scenes onto the timeline, edit the script, and the avatar speaks the new lines. Real-time collaboration means teammates can edit videos together in shared workspaces.

ディープブレインAI: DeepBrain AI’s editor focuses on simple slide-style scenes. Each scene gets one avatar, one script, and supporting visuals. The AI Script Assistant helps generate written scripts when you need a starting point.

5. Translation and Localization
シンセシア: 1-click translation turns a finished video into another language. The text to speech feature regenerates the voice automatically with proper lip sync. This feature sits behind the Enterprise plan, which limits access for solo users.

ディープブレインAI: Video translation is available across paid plans. The platform handles 音声クローン, lip sync, and subtitles in 29+ supported languages. This is more accessible than Synthesia for small teams that need multilingual support.

⚠️ 警告: Synthesia gates 1-click video translation behind Enterprise pricing. If translation is a core need on a small budget, DeepBrain AI is the more accessible option.
6. Document to Video
シンセシア: Synthesia includes PowerPoint-to-video conversion with retained slide designs. The platform also converts speaker notes into the script. This streamlines the creation process for trainers and educators.
ディープブレインAI: DeepBrain AI offers PPT to Video, PDF to Video, URL to Video, and Docs to Video. This covers more input formats than Synthesia. For teams that work in mixed document formats, this is a real efficient video creation advantage.

7. Interactive and Real-Time Features
シンセシア: Interactive Videos in Synthesia include clickable CTAs, branching paths, and quizzes. This is a valuable tool for increasing viewer engagement on training videos and promotional videos. The feature is on the Creator plan and above.

ディープブレインAI: The Interactive AI Human goes further. It is a real-time conversational avatar that responds to questions using your データ and GPT-powered intelligence. This produces engaging video content for customer service kiosks and live engagement use cases.

8. コラボレーションと共有
シンセシア: Shared workspaces let team members co-edit videos in real time. Guest reviewers can comment without taking a paid seat. This setup suits content teams running regular video production cycles.

ディープブレインAI: The Team plan offers shared workspaces, brand assets, and shared templates at $55/seat/month. Enterprise unlocks SAML SSO and dedicated support. Smaller teams may find the per-seat pricing steep.

9. AI Screen Recorder and Extras
シンセシア: The AI Screen Recorder is a Chrome extension for tutorials and demos. You can record, edit, and add an avatar narrator in one workflow. This is useful for software walkthroughs and how to videos.

ディープブレインAI: DeepBrain AI offers Auto キャプション, AI Media Generator, and integrated Sora2 and Veo3.1 for generative video assets. The first ai video tools to bundle major generative models broaden creative expression options.
価格とコスト
料金プランを並べて比較してみましょう。
| プラン | シンセシア | ディープブレインAI |
|---|---|---|
| 無料 | 無料プランあり | 無料プランあり |
| 入場料支払い済み | Starter — $18/month | Personal — $24/month |
| 中級クラス | Creator — $64/month | Team — $55/seat/month |
| 企業 | カスタム価格設定 | カスタム価格設定 |
シンセシア: The starting price of $18/month on annual billing is the lower entry point. Monthly billing increases to $29 for Starter and $89 for Creator. Enterprise pricing scales with team size and usage.
ディープブレインAI: The Personal plan at $24/month is a fair starting point for solo users. Team pricing at $55 per seat adds up faster than Synthesia for small teams. Annual billing offers a 20% discount.
さまざまなシナリオ
| 必要な場合は | 選ぶ | なぜ |
|---|---|---|
| 最低価格 | シンセシア | 月額18ドル対月額24ドル |
| Hyper-realistic news avatars | ディープブレインAI | Built for high-stakes use |
| Maximum language reach | シンセシア | 140+ vs 80+ languages |
| Real-time conversational ai | ディープブレインAI | Interactive AI Human is unique |
| Wider avatar library | シンセシア | 240+ vs 150+ avatars |
| Simple PPT-to-video workflow | ディープブレインAI | More document input formats |
💰 あなたの予算
Synthesia starts $6/month cheaper at $18 vs DeepBrain’s $24. For solo creators, this gap matters across a year of video creation.
🌍 グローバルな展開
If you serve diverse global audiences, Synthesia’s 140+ language pool wins. DeepBrain AI’s 80+ languages cover most major markets but miss long-tail regions.
🎬 Your Avatar Realism Needs
DeepBrain AI is the better pick for news-style and customer-facing avatars. Synthesia’s avatars are professional but less photo-realistic for high-stakes broadcasting.
🎓 あなたの経験レベル
Both tools have an intuitive interface for beginners. Synthesia’s onboarding includes a guided tour and Synthesia Academy. DeepBrain’s slide-based editor is simpler for first-time users.
🆓 無料トライアルとデモ
Both platforms offer a free plan with monthly limits. Try both before paying — your needs will tell you which video creation tool fits your workflow.
🛟 サポートオプション
Synthesia offers live chat and email Monday through Sunday during European hours. DeepBrain AI provides phone support and chat with under 30-minute response times.
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、どのような変更が予想されますか?
🔄 SynthesiaからDeepBrain AIに切り替えますか?
✅ 得られるもの:
- Hyper-realistic avatars that look closer to live news anchors
- Real-time Interactive AI Human for kiosks and live customer service
- Built-in 1-click translation without needing the Enterprise tier
❌ 失うもの:
- 240+ AIアバター library (DeepBrain has fewer options)
- 140+ language support (drops to 80+ on DeepBrain AI)
- Stronger video templates and Chrome screen recorder extension
📋切り替え方法:
- Export your finished videos from Synthesia at maximum resolution
- Sign up for the DeepBrain AI Free plan to test the editor
- Recreate your most-used templates inside DeepBrain’s workspace
🔄 DeepBrain AIからSynthesiaに切り替えますか?
✅ 得られるもの:
- 240+ lifelike ai avatars covering more demographics and outfits
- 140+ languages for diverse global audiences
- Interactive videos with branching paths and quizzes
❌ 失うもの:
- Real-time Interactive AI Human for live customer service use
- Hyper-realistic news-grade avatars for high-stakes broadcasts
- Multiple document-to-video formats (PDF, URL, Docs)
📋切り替え方法:
- Download all completed videos from your DeepBrain AI workspace
- Sign up for the Synthesia free plan and complete the guided tour
- Rebuild key templates and import brand assets into Synthesia
What Our Review Didn’t Cover
This comparison focused on individual creators and small teams using both ai video generators. We did not test enterprise SSO setup, custom 3D avatar creation, or the full DeepBrain AI Studios API. Bulk video production at over 100 videos per month was outside our scope. If you manage 50+ user seats, your priorities may differ from what we’ve covered here. Pricing was verified in April 2026 and may shift.
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰価格 | シンセシア |
| 🎭 Avatar Library Size | シンセシア |
| 🎯 アバターのリアリズム | ディープブレインAI |
| 🌍 言語サポート | シンセシア |
| 📑 Document to Video | ディープブレインAI |
| 🤝 コラボレーション | シンセシア |
| 🤖 インタラクティブAI | ディープブレインAI |
| 🏆総合優勝 | シンセシア |
🏆 優勝:シンセシア
Synthesiaは7部門中5部門で受賞した。
最適な用途: Corporate training, marketing videos, multilingual content, global teams.
Synthesia and DeepBrain AI are two ai powered platforms with different strengths.
Synthesia specializes in training videos, marketing content, and multilingual アウトリーチ.
DeepBrain AI specializes in hyper-realistic digital humans and real-time interactive avatars.
DeepBrain AI is excellent for news broadcasting and live customer service kiosks.
However, if you need a broader video creation tool with global reach, Synthesia is the better pick.
Synthesiaの比較
Here’s how Synthesia stacks up against other ai video generators:
Synthesiaが優れている点: Larger avatar library, broader language coverage, stronger enterprise features.
ヘイジェン 勝利したタイトル: Faster video rendering, lower-priced custom avatars, advanced face-swap features.
Synthesia vs コロサイ
Synthesiaが優れている点: Bigger avatar pool, more polished templates, wider language support.
コロシアンの勝利: Better LMS integrations, multi-character scenes, finer emotion controls.
Synthesia vs ヴィード
Synthesiaが優れている点: Avatar quality, dedicated training video templates, multilingual ai voices.
Veedが勝利した理由: Full timeline editor, broader media library, lower prices for video editing.
シンセシア vs D-ID
Synthesiaが優れている点: Production-ready templates, training-focused workflow, larger avatar selection.
D-IDが勝利した点: Photo-to-talking-head animation, lower entry pricing, conversational ai use cases.
DeepBrain AIの比較をもっと見る
DeepBrain AIが他の競合他社と比べてどのような位置づけにあるのか、以下に示します。
DeepBrain AI vs Heygen
DeepBrain AIが勝利した点: News-grade hyper-realistic avatars, real-time Interactive AI Human, dedicated phone support.
HeyGenが勝利した点: Lower pricing for solo creators, faster video rendering, broader avatar library.
DeepBrain AI vs コロシアン
DeepBrain AIが勝利した点: Hyper-realistic broadcast avatars, real-time conversational ai, more document-to-video formats.
コロシアンの勝利: LMS integrations, multi-avatar scenes with emotion control, lower-priced team plan.
DeepBrain AI vs 1時間目
DeepBrain AIが勝利した点: Interactive AI Human for kiosks, broader document input formats, free plan availability.
アワーワンの勝利点: Cleaner news-style templates, simpler scene-by-scene workflow, focused enterprise features.
DeepBrain AI vs エライ
DeepBrain AIが勝利した点: CES Innovation Award credibility, real-time AI Human, hyper-realistic avatar quality.
エライの勝利条件: 50% more video minutes per dollar, native integrations with ザピエール, simpler pricing.
よくある質問
Synthesia AIは無料で利用できますか?
Yes. Synthesia offers a free plan with limited monthly minutes and 9 ai avatars. The free tier includes a watermark and Synthesia logo on every video.
Synthesia の料金はいくらですか?
The Starter plan costs $18/month on annual billing or $29/month on monthly billing. Creator is $64/month annually or $89/month monthly. Enterprise pricing is custom.
DeepBrain AIは何に使われているのですか?
DeepBrain AI is used for ai driven video creation, news broadcasting, corporate training, and customer service kiosks. Its hyper-realistic avatars suit high-stakes use cases.
DeepBrain AIは無料ですか?
Yes. DeepBrain AI offers a free plan with limited credits, short video length, and basic avatar access. Free users can only generate horizontal videos.
最高の無料AI動画生成ツールは何ですか?
Both Synthesia and DeepBrain AI offer solid free plans. For broader avatar choice and language support, Synthesia is the stronger free option for most creators.












