⚡ Quick Verdict:
- 価格: Synthesia starts at $18/month vs D-ID at $4.70/month (Lite plan)
- 最適な用途: Synthesia for corporate training and internal communications, D-ID for marketing campaigns and developer projects
- 主な違い： Synthesia uses digital avatars from a fixed library, D-ID’s technology animates any photo into talking avatars
- Our pick: Synthesia for most users — better avatar quality, PowerPoint integration, and 120+ language support
Choosing an AI video generator in 2026 comes down to one big 質問.
Do you need scalable corporate training or creative marketing campaigns?
Synthesia and D-ID both use artificial intelligence to create personalized videos with digital people.
But they solve different problems for different users and customers.
Synthesia is built for video communications platform needs at scale.
D-ID focuses on Creative Reality Studio tools for personalized video content and ai videos.
Both platforms speed up video making compared to traditional production methods.
概要
This Synthesia vs D-ID comparison covers pricing, key features, and avatar quality.
We also break down who each tool serves best.
Our sources include published specs, documentation, and G2 reviews.
By the end, you’ll know which AI video generator fits your needs.
Synthesiaとは何ですか?
Synthesia is an AI video generator built for creating corporate training and internal communications.
It lets you create videos from text input, PowerPoint presentations, or its script generator.
The platform offers over 150 diverse AI avatars as your spokesperson, replacing the need for real actors on set.
Synthesia’s text-to-speech engine supports over 120 languages and accents.
Businesses use it as a training product for onboarding, product demos, and educational content.
Using Synthesia saves time compared to time consuming traditional production with real humans.
The platform rolls out new features regularly to improve ai generated video quality.
https://youtu.be/synthesia-review
シンセシア
Create professional videos with 150+ AI avatars and 120+ language support. Trusted for corporate training and marketing videos.
シンセシアの価格
2026年におけるSynthesiaのコストは以下のとおりです。
| プラン | 価格 | 最適な用途 |
|---|---|---|
| スターター | 月額18ドル | Individual creators and small teams |
| クリエイター | 月額64ドル | 成長企業とマーケティングチーム |
| 企業 | カスタム価格設定 | セキュリティ対策が必要な大企業 |
Pricing verified March 2026.
無料トライアル: Synthesia offers a free demo with limited credits. No credit card required.
返金保証: Annual plans include a 14-day refund window.
📌 注記： Custom AI avatars based on your likeness cost $1,000 per year extra. The Starter plan includes 10 minutes of video monthly.
⚠️ 警告： Synthesia’s pricing plans can be considered steep for businesses that require extensive video production at scale.
Synthesiaの主な利点
Here’s what makes Synthesia worth considering:
- 150種類以上の多様なAIアバター： Customize by gender, ethnicity, and 声 for relatable training content. You can also create custom avatars based on your likeness and use them as your knowledgeable and enthusiastic employees on screen for personalized welcome videos.
- 120以上の言語をサポート： Create localized training videos for global teams. The AI voices speak in different languages with natural pronunciation.
- PowerPointのインポート: Turn your slide deck into a finished video in minutes. The user interface resembles building a PowerPoint presentation.
- 自動字幕： Synthesia automatically generates closed captions in the final video. This enhances accessibility for all viewers.
- チームコラボレーション: Team members can comment on videos linked to specific timestamps. This makes the video creation process smooth across departments.
- クイックアップデート: Edit videos without re-recording. Change the avatar’s voice and language at any time during video creation.
- Zapierとの連携： Automate video creation processes by connecting Synthesia to your existing tools.
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:
Synthesiaの長所と短所
✅ メリット
- 150+ diverse AI avatars with customizable gestures like head nods and raised eyebrows
- Intuitive user interface similar to PowerPoint for fast video creation
- 120+ languages and AI voices for global internal communications
- Built-in screen recorder for product walkthroughs and how to videos
- Significantly reduces time and cost compared to traditional video production
❌ デメリット
- Avatars can appear unnatural and lack facial expressions in some scenes
- アバターの音声と顔の動きのリップシンクが時々ずれることがある
- AI voices can sound robotic and lack emotional variation for high-impact contexts
- Custom avatar creation costs $1,000 per year, making personalization expensive
D-IDとは何ですか？
D-ID, sometimes written as D ID, is an AI-powered video manipulation platform from an Israel-based startup founded in 2017. D ID’s technology and D ID’s API are also referenced this way in some industry coverage.
D-ID’s technology transforms any photo or video into interactive experiences with talking avatars and captivating videos.
The Creative Reality Studio uses generative AI to animate static images into digital people, unlocking new creativity for creators.
D-ID’s API is powered by neural networks trained on tens of thousands of videos, fueling アプリ開発 大規模に。
The creator community uses it for marketing campaigns, e-learning, and family history projects.
Generative adversarial networks (GANs) help D-ID create realistic synthetic media at scale.
https://youtu.be/d-id-review
した
Animate any photo into talking avatars with D-ID’s Creative Reality Studio. Built for marketing, e-learning, and developers.
D-IDの価格
2026年におけるD-IDの費用は以下のとおりです。
| プラン | 価格 | 最適な用途 |
|---|---|---|
| トライアル | $0 | コア機能のテスト |
| ライト | $4.70/month | 個々のコンテンツクリエイター |
| プロ | 月額16ドル | Marketers and small teams |
| 高度な | 月額108ドル | Agencies and developers |
| 企業 | カスタム価格設定 | Large companies with API needs |
Pricing verified March 2026.
無料トライアル: D-ID provides a 14-day free trial for new users to experience its features.
返金保証: Annual plans include a refund window. Enterprise contracts have custom terms.
📌 注記： D-ID’s pricing plans cater to a wide array of users, from individual content creators to large enterprises. Higher tiers unlock API access for developers.
⚠️ 警告： D-ID is a paid platform and requires an enterprise contract for high-volume API use. Costs can scale quickly with heavy usage.
D-IDの主な利点
Here’s what makes D-ID worth considering:
- Photo-to-Video Animation: Upload any photo and bring it to life with facial animation. Perfect for family history projects and creative content.
- クリエイティブリアリティスタジオ： Self-service studio with AIツール to create talking avatars at the click of a button. Build engaging videos without filming.
- D-ID’s API: Powered by neural networks trained on tens of thousands of videos. Developers can integrate D-ID at massive scale.
- Chat.D-ID App: Lets users video chat with an AI on human terms. Adds a human touch to AI interactions.
- リアルな AI アバター: Computer vision algorithms analyze facial expressions and mouth movements to produce photorealistic avatars. Output mimics existing footage realistically.
- プライバシー重視のアプローチ: D-ID helps manage personal images in compliance with GDPR regulations.
- Security Certifications: Holds SOC 2 and ISO/IEC 27001, indicating a strong security posture for sensitive データ.
What Our Team Noticed
Our writer signed up for D-ID and explored the Creative Reality Studio for several days. Here’s what stood out:
Note: We haven’t had extensive hands-on time with D-ID for enterprise API workflows yet. The information above is based on published documentation and G2 reviews.
D-IDのメリットとデメリット
✅ メリット
- Animates any photo into a captivating video with realistic facial animation
- Affordable Lite plan starting at $4.70/month makes the platform accessible
- D-ID’s API powered by neural networks delivers output at massive scale
- Chat.D-ID app brings AI conversations to life with talking avatars
- SOC 2 and ISO/IEC 27001 certifications support enterprise data security
❌ デメリット
- Users must upload sensitive images to D-ID’s servers, raising data privacy concerns
- Core technology has risks of misuse, including the potential creation of deepfakes
- Implementing D-ID systems at scale requires investment in specialized software
- Lacks the corporate training depth and PowerPoint integration Synthesia offers
機能比較
Ready to compare Synthesia vs D-id in detail?
We’ll explore 8 key features to help readers find the right AI video generator.
Both tools let you create high quality videos on any device without hiring a real actor for filming. The result can be amazing when you pick the right platform for your needs.
| 特徴 | シンセシア | した |
|---|---|---|
| 開始価格 | 月額18ドル | $4.70/month |
| 無料プラン | ❌ (Demo only) | ✅（トライアル） |
| AIアバター | 150+ digital avatars | Photo-based avatars |
| テキスト読み上げ | 120以上の言語 | 多言語対応 |
| PowerPointのインポート | ✅ | ❌ |
| 開発者API | 限定 | ✅ Full API access |
| Closed Captions | ✅ Auto-generated | 限定 |
| Chat/Conversational AI | ❌ | ✅ Chat.D-ID app |
| GDPR Compliance | ✅ | ✅ |
| 最適な用途 | 企業研修 | Marketing campaigns |
1. AIアバターの品質
シンセシア： Offers over 150 diverse AI avatars representing different genders, ethnicities, and voices. You can customize avatar performances by adding gestures like head nods and raised eyebrows. The platform also lets you create custom AI avatars based on your likeness for a fee.
した： Takes a different approach by animating any photo into a digital person. D-ID’s technology uses computer vision algorithms to analyze facial expressions, gestures, and mouth movements. This makes it ideal for personalized video content where the avatar matches a real person’s photo.
⚠️ 警告： Synthesia’s avatars can appear unnatural and lack facial expressions in some scenes. D-ID’s photo-based avatars may have lip sync issues with complex audio.
2. テキスト読み上げとAI音声
シンセシア： Its text-to-speech engine supports over 120 languages and accents. You can change the avatar’s voice and language at any time during video creation. Users can also add pauses and edit speech to enhance the sound quality of the final video.
した： Provides multi-language text to speech with AI voices. The platform features AI voice cloning, letting users replicate their own voices for content. This works well for personalized video ads and multilingual customer support videos.
3. ユーザーインターフェースと使いやすさ
シンセシア： The user interface is praised for being intuitive, similar to creating a PowerPoint presentation. Users appreciate the ability to create videos quickly without needing extensive video editing experience. The platform’s design makes the video creation process accessible for beginners.
した： The Creative Reality Studio offers a self-service interface with AIツール. Users can create talking avatars at the click of a button. However, the platform has a steeper learning curve for advanced features like API integration.
4. PowerPoint and Slide Deck Integration
シンセシア： Lets you create videos from text input, PowerPoint presentations, or its built-in script generator. Just upload your slide deck and Synthesia converts it into professional videos with AI avatars. This saves time when repurposing existing content into new videos.
した： Does not offer direct PowerPoint presentation import. Content creators must build videos using D-ID’s Creative Reality Studio interface. This works for marketing campaigns but limits use cases for corporate training that relies on existing slide decks.
5. Team Collaboration and Internal Communications
シンセシア： Built for collaborative internal communications. Team members can comment on videos linked to specific timestamps. The platform supports the production of training videos at scale, which is ideal for businesses with global teams.
した： Focuses on individual creators and developers rather than team collaboration. The platform is used in corporate communications to secure internal videos and protect employee privacy. However, it lacks Synthesia’s built-in timestamp commenting features.
6. Developer API and Integration
シンセシア： Can be connected with tools like Zapier to automate video creation processes. This helps businesses integrate Synthesia into their existing workflows. However, its developer API access is more limited than D-ID’s.
した： D-ID’s API is powered by neural networks trained on tens of thousands of videos, outputting results at massive scale. Developers can integrate D-ID’s technology directly into apps and services. This makes it the better choice for technical teams building custom video apps.
7. 言語サポートと翻訳
シンセシア： Supports over 140 languages for creating training, onboarding, marketing, and instructional videos. Businesses can create localized training content for global teams quickly. Synthesia automatically generates closed captions in the final video to enhance accessibility.
した： Offers multilingual support videos to enhance customer experience. The platform creates personalized video ads at scale with synthetic spokespeople. D-ID’s language coverage is broad but less extensive than Synthesia’s 120+ language list.
8. Interactive Experiences and Chat AI
シンセシア： Focuses on one-way video communications rather than interactive experiences. The platform includes a built-in screen recorder for creating product walkthroughs and how to videos. It does not offer real-time AI chat features.
した： The chat.D-ID app lets users video chat with an AI on human terms. This brings interactive experiences to customer engagement and AI conversations. D-ID’s technology adds a human touch to AI through real-time talking avatars.
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 | した |
|---|---|---|
| 無料トライアル | Limited demo | 0ドル（14日間） |
| エントリープラン | 月額18ドル（スタータープラン） | $4.70/month (Lite) |
| 中間計画 | 月額64ドル（クリエイター向け） | 月額16ドル（プロプラン） |
| High Plan | — | 月額108ドル（アドバンスプラン） |
| 企業 | カスタム価格設定 | カスタム価格設定 |
シンセシア： Pricing is steep but reflects the premium platform for video communications. The $18/month Starter plan suits individual creators. The $64/month Creator plan adds team features for businesses doing serious video production at scale.
した： Offers more flexible entry points. The Lite plan at $4.70/month makes the platform accessible for creators on a budget. The Advanced plan at $108/month adds API access for developers needing to scale custom projects.
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 | した | $4.70/month entry plan |
| 企業研修ビデオ | シンセシア | PowerPoint import and 150+ avatars |
| Marketing campaigns | した | Photo-to-video for personalized ads |
| 開発者向けAPIアクセス | した | Neural networks at massive scale |
| Internal communications | シンセシア | チームコラボレーション機能 |
| 初心者向け | シンセシア | User interface like PowerPoint |
💰 あなたの予算
D-ID’s Lite plan starts at $4.70/month, far below Synthesia’s $18/month Starter. If budget matters most, D-ID is the more accessible choice for creating videos.
🔌 あなたの技術スタック
D-ID’s API is powered by neural networks for smooth integration with custom apps. Synthesia integrates with Zapier for no-code オートメーション but lacks D-ID’s developer depth.
📝 コンテンツの種類
Synthesia excels at corporate training and how to videos with avatars as your spokesperson. D-ID shines for personalized video content and family history projects using real photos.
🎓 あなたの経験レベル
Synthesia’s user interface is designed to be intuitive and similar to PowerPoint. Beginners can create professional videos faster than with D-ID’s Creative Reality Studio.
🆓 無料トライアルとデモ
D-ID provides a 14-day free trial for new users. Synthesia offers a limited demo only. Test both before committing to a paid plan.
🛟 サポートオプション
Synthesia offers email and chat support across all plans with a knowledgeable and enthusiastic team. D-ID provides ticket support, with priority response on Advanced and Enterprise tiers.
🔒 データプライバシーとセキュリティ
Both platforms support GDPR compliance and strong enterprise security. D-ID adds SOC 2 and ISO/IEC 27001 certifications, useful for healthcare and finance industries handling sensitive data.
切り替えガイド
Already using one of these AI video generation tools? Here’s what to expect if you switch.
🔄 SynthesiaからD-IDに切り替えますか？
✅ 得られるもの：
- Photo-to-video animation for any personalized images
- Full developer API access for custom integrations at scale
- Lower entry pricing starting at $4.70/month with a free trial
❌ 失うもの：
- PowerPoint presentation import for creating videos from a slide deck
- 150+ pre-built diverse AI avatars with customizable gestures
- Team collaboration with timestamp-based comments
📋切り替え方法：
- Export your existing Synthesia videos as MP4 backups
- Sign up for a D-ID account and start the 14-day free trial
- Upload photos to D-ID’s Creative Reality Studio and create new videos
🔄 D-IDからSynthesiaに切り替えますか？
✅ 得られるもの：
- 150+ diverse AI avatars and 120+ language support
- PowerPoint import to convert presentations into professional videos
- 製品デモやハウツー動画用の内蔵スクリーンレコーダー
❌ 失うもの：
- Photo-to-video animation feature for custom images
- Chat.D-ID app for real-time AI video conversations
- Full API access powered by neural networks at developer scale
📋切り替え方法：
- Download your D-ID videos before canceling your subscription
- Sign up for a Synthesia account and request a demo
- Upload your PowerPoint presentations or start with the script generator
What Our Review Didn’t Cover
This comparison focused on creators, marketers, and corporate training use cases. We didn’t test enterprise SSO integration or large-scale API performance for either platform. Our team also did not evaluate D-ID’s healthcare-specific deployments for sharing medical videos without revealing patient identities. If you’re managing 50+ users or running specialized industry projects, your experience may differ from what we’ve described here.
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰価格 | した |
| 🚀 Avatar Quality | シンセシア |
| ⚡使いやすさ | シンセシア |
| 🎯 Language Support | シンセシア |
| 👶 初心者向け | シンセシア |
| 🔌 開発者向けAPI | した |
| 📊 Corporate Training | シンセシア |
| 🎨 Creative Marketing | した |
| 🏆総合優勝 | シンセシア |
🏆 優勝：シンセシア
Synthesiaは8部門中5部門で受賞した。
最適な用途: Corporate training, internal communications, and global teams needing personalized video content at scale.
Synthesia and D-ID are two very different AI video 発電機.
Synthesia is the better video communications platform for businesses creating training and onboarding videos at scale.
D-ID is excellent for creative reality projects, photo animation, and developers needing API access for personalized video content.
D-ID wins on pricing and developer flexibility, with the Lite plan at $4.70/month and full neural network API access. Marketing teams will be excited about the personalized content options.
However, if you don’t have enough time for hands-on filming and need professional videos with a polished user interface, Synthesia is the better choice.
Synthesiaの比較
Here’s how Synthesia stacks up against other AI video generation tools:
Synthesia vs ヘイジェン
Synthesiaが優れている点： Enterprise security, language coverage, PowerPoint import
HeyGenが勝利した点： Avatar realism, voice cloning, social media templates
Synthesia vs コロサイ
Synthesiaが優れている点： Avatar variety, 120+ languages, intuitive PowerPoint-style interface
コロシアンの勝利： Conversation between avatars, learning scenarios, education management
Synthesia vs Tavus
Synthesiaが優れている点： Pre-built avatars, video creation tools depth, training videos focus
Tavus wins on: Personalized video at scale, marketing campaigns, single-template workflows
Synthesia vs ディープブレインAI
Synthesiaが優れている点： User interface, customization, accessible video creation process
DeepBrain AIが勝利した点： Cloud-based avatars, conversation AI, enterprise templates
Synthesia vs ルーメン5
Synthesiaが優れている点： AI avatars as spokesperson, training depth, corporate use cases
Lumen5 wins on: Blog-to-video, Talking Head feature, social media repurposing
Synthesia vs Rephrase AI
Synthesiaが優れている点： Avatar diversity, language scale, intuitive editing tools
Rephrase AI wins on: Variable-based script personalization, text-to-video speed, voice tuning
D-IDの比較について
Here’s how D-ID stacks up against other ai video generators and creative platforms:
D-IDが勝利した点： Photo animation, lower pricing, neural network API for developers
HeyGenが勝利した点： Pre-built avatar quality, voice cloning, marketing templates
D-ID vs コロシアン
D-IDが勝利した点： Creative Reality Studio, photo-to-video, chat.D-ID conversational AI
コロシアンの勝利： Pre-built training scenarios, multi-avatar dialogue, learning paths
D-ID対 ヴィード
D-IDが勝利した点： AI avatar focus, generative AI animation, developer API access
Veedが勝利した理由： Video editing tools, subtitle features, social media exports
D-ID対 エライ
D-IDが勝利した点： Lite plan affordability, API depth, photo-to-video animation
エライの勝利条件： Avatar customization, slide import, brand kit features
D-ID vs DeepBrain AI
D-IDが勝利した点： Pricing flexibility, facial animation tech, chat AI integration
DeepBrain AIが勝利した点： Cloud avatar templates, enterprise solution depth, automated workflows
D-ID vs Speechify
D-IDが勝利した点： Video output, AI avatars, facial animation for visual content
Speechifyが勝利した点： Text-to-speech depth, audiobook features, reading tools
よくある質問
Synthesia AIは無料で利用できますか？
Synthesia offers a free demo but no permanent free plan. Paid plans start at $18 per month for the Starter tier with limited video minutes.
D-IDは無料で利用できますか？
D-ID provides a 14-day free trial with limited credits. After that, the Lite plan costs $4.70 per month, making the platform accessible for budget creators.
Synthesia AIは何に使われていますか？
Synthesia creates videos with digital avatars from text or slide deck input. Businesses use it for corporate training, onboarding, product demos, and internal communications globally.
D-IDは何のために使用されるのですか？
D-ID transforms photos into talking avatars using generative AI. Creators build marketing campaigns, personalized videos, family history projects, and developers access D-ID’s API at scale.
Synthesiaよりも優れたものは何ですか？
D-ID offers better value for budget users and developers. HeyGen wins on avatar quality. Your choice depends on whether you need training videos or creative reality content.
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