📊 Our Test Results:
- 🎯 Avatar Quality: Synthesia 9/10 vs D-ID 7/10 — Synthesia wins
- ⚡ Video Generation Speed: Synthesia 4 min vs D-ID 2 min — D-ID wins
- 🔒 エンタープライズ機能: Synthesia 10/10 vs D-ID 6/10 — Synthesia wins
- 📝 使いやすさ: Synthesia 9/10 vs D-ID 8/10 — Synthesia wins
- 💰 価格に見合う価値: Synthesia 7/10 vs D-ID 9/10 — D-ID wins
Want to create professional videos without cameras or actors?
AIビデオ 発電機 like Synthesia and D-ID make this possible.
Both tools turn 文章 into talking avatar videos in minutes.
But they serve very different purposes.
I spent three weeks testing both platforms side-by-side.
This Synthesia vs D-ID comparison reveals which option best fits your specific needs.
概要
I tested Synthesia and D-ID on real projects.
I created training videos, marketing content, and personalized messages.
Each platform has clear strengths and weaknesses.
My goal was to find which tool delivers better results for different use cases.
Synthesiaとは何ですか?
シンセシアは AIビデオ creation platform built for businesses.
It transforms text scripts into professional videos featuring AI avatars.
The platform is used by 50,000+ companies for training, onboarding, and marketing.
You don’t need cameras, actors, or video editing skills.
シンセシア
The leading AI video platform for enterprise training and corporate communications. Create professional videos in 140+ languages with 150+ AI avatars. Trusted by Fortune 500 companies worldwide.
シンセシアの価格
Synthesia offers three pricing tiers for different needs.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| スターター | 月額18ドル | Individuals testing AI video |
| クリエイター | 月額64ドル | Content creators and small teams |
| 企業 | カスタム価格設定 | Large organizations with advanced needs |
無料トライアル: Yes, you can create a free demo video without a credit card.
返金保証: Synthesia offers refunds on a case-by-case basis within 14 days.
📌 注記： The Starter plan includes 10 video credits per month. Each credit equals one minute of video. The Creator plan offers 30 credits monthly with more avatar options and features.
⚠️ Warning: Custom avatar creation costs $1,000 per year. This is a separate fee on top of your subscription. Annual plans save about 20% compared to monthly billing.
Key Benefits of Synthesia
Synthesia stands out from competitors for several reasons:
- Enterprise-Grade Platform: Built specifically for corporate training and internal communications. Trusted by companies like Xerox, Reuters, and Zoom.
- 150+ Professional Avatars: Choose from diverse presenters across different ages, ethnicities, and styles. Create custom avatars from your own team members.
- 140以上の言語: Generate videos in any major language with native-sounding AI 声. Perfect for global organizations.
- PowerPoint-Like Interface: Create videos as easily as making slides. No video editing experience required.
- One-Click Translation: Convert existing videos into new languages 即座に. Save hours on localization.
- Built-in Screen Recorder: Create product demos and how-to videos with avatar narration. Combine screen recordings with AI presenters.
- Auto Closed Captions: Every video includes accurate captions automatically. Improves accessibility and engagement.
Synthesia Pros & Cons
✅ Pros
- Most professional-looking avatars in the industry
- Excellent for corporate training at scale
- Easy updates without re-recording entire videos
- Strong collaboration features for teams
- 60+ professional templates included
❌ Cons
- Higher starting price than competitors
- Avatar lip-sync can occasionally be off
- Custom avatars require significant investment
- Limited emotional range in AI voices
D-IDとは何ですか？
D-ID is an AI video platform that brings photos to life.
It uses deep learning to animate static images into talking videos.
The platform is popular among marketers, developers, and creative professionals.
D-ID focuses on affordable, scalable video creation through its API.
した
Turn any photo into a talking avatar with D-ID’s Creative Reality Studio. Perfect for developers, marketers, and content creators who need affordable, scalable AI video generation with powerful API access.
D-IDの価格
D-ID offers flexible pricing with a free tier for testing.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| トライアル | 月額0ドル | Testing the platform |
| ライト | 月額4.7ドル | Hobbyists and personal projects |
| プロ | 月額16ドル | コンテンツクリエイターと フリーランサー |
| 高度な | 月額108ドル | Agencies and growing businesses |
| 企業 | カスタム価格設定 | Large-scale API integration |
無料トライアル: Yes, D-ID offers a 14-day free trial with limited credits.
返金保証: You can cancel anytime. No refunds on unused credits.
📌 注記： The Lite plan at $4.7/month is one of the most affordable entry points in AI video. Great for testing if AI avatars work for your use case before committing to larger plans.
⚠️ Warning: Credits expire monthly and don’t roll over. The API pricing is separate from the studio plans. Developers should review API costs before building integrations.
Key Benefits of D-ID
D-ID excels in several areas that set it apart:
- Photo-to-Video Magic: Turn any photo into a talking avatar. Bring old family photos to life or create unique characters from images.
- Developer-First API: Built for integration with powerful neural network technology. Scale to millions of videos through your own applications.
- Ultra-Low Entry Price: Start at just $4.7/month. The most affordable way to test AI video generation for your projects.
- Emotion Control: Adjust facial expressions and emotions in your avatars. Create more natural and engaging video content.
- 声 クローニング: Clone any voice to match your avatar. Create consistent brand voices across all your content.
- プライバシー保護: D-ID’s original technology was designed to protect identities in videos. SOC 2 and ISO certified.
D-ID Pros & Cons
✅ Pros
- Most affordable starting price in the market
- Unique photo-to-video 能力
- Powerful API for developers
- Fast video generation times
- Strong emotion and expression control
❌ Cons
- Avatar quality below Synthesia’s standard
- Fewer templates and layouts
- Credits don’t roll over monthly
- Less suited for enterprise training
機能比較
Let’s compare Synthesia and D-ID across the features that matter most.
I tested each platform on 8 key criteria to find the true winner.
| 特徴 | シンセシア | した |
|---|---|---|
| 開始価格 | 月額18ドル | 月額4.7ドル |
| 無料プラン | Demo only | ✅ 14-day trial |
| AIアバター | 150+ | AI生成 |
| 言語 | 140+ | 複数 |
| Photo-to-Video | ❌ | ✅ |
| APIアクセス | Enterprise only | ✅ All plans |
| 音声クローン | Custom avatars | ✅ Built-in |
| 画面録画 | ✅ | ❌ |
| 最適な用途 | Enterprise training | Developers & creators |
1. AI Avatar Quality
シンセシア： Offers 150+ professional AI avatars filmed in studios. Each avatar has natural movements, gestures, and expressions. The lip-sync technology is industry-leading, though occasionally off. Custom avatars cost $1,000/year but look nearly indistinguishable from real presenters.
した： Creates avatars from any photo using AI generation. The technology can animate historical photos or create entirely new faces. Quality varies depending on the source image. Results are impressive but noticeably AI-generated compared to Synthesia’s studio-quality avatars.
💡 Test Result: Synthesia avatars scored 9/10 for realism in our tests. D-ID avatars scored 7/10. For corporate training where trust matters, Synthesia’s quality makes a noticeable difference.
2. Text-to-Speech Quality
シンセシア： Supports 140+ languages and accents with high-quality AI voices. The text-to-speech engine produces natural-sounding narration. You can adjust speed and add pauses. Some users note the voices lack emotional depth for certain content types.
した： Offers multiple voice options with built-in voice cloning technology. You can clone any voice to create consistent branding. The platform integrates with third-party text-to-speech providers for more variety. Voice quality is good but Synthesia offers more language coverage.
3. Templates and Customization
シンセシア： Provides 60+ professional templates for various use cases. Templates cover training videos, marketing content, and internal communications. The editor works like PowerPoint, making customization intuitive. You can start from a blank canvas or modify existing layouts.
した： Focuses on the Creative Reality Studio interface. Templates are more limited compared to Synthesia. The platform prioritizes quick video generation over elaborate designs. Best for simple talking-head videos rather than complex プレゼンテーション with multiple scenes.
4. ビデオ編集機能
シンセシア： Includes a full AI ビデオエディター for complex projects. You can add multiple scenes, transitions, and media elements. The AI Video Assistant helps generate scripts from prompts. Built-in screen recorder captures product demos with avatar narration overlay.
した： Offers basic editing within the Creative Reality Studio. The focus is on generating talking avatars quickly rather than complex editing. Advanced users typically export D-ID videos and edit them in external software. Less suitable for creating polished corporate presentations.
⚠️ Warning: Neither platform replaces professional video editing software for complex projects. Synthesia is better for self-contained videos. D-ID requires external tools for advanced editing.
5. コラボレーションと共有
シンセシア： Built for team collaboration from the ground up. Multiple users can comment on videos linked to specific timestamps. Workspaces organize projects by team or department. Integration with tools like ザピエール automates video creation workflows for enterprise needs.
した： Collaboration features are more limited. The platform is designed for individual creators or developers building their own applications. Team management exists on Enterprise plans but isn’t the core focus. Better suited for solo creators than large teams.
6. API and Integration
シンセシア： API access is reserved for Enterprise customers. Integrates with PowerPoint, Google Slides, and popular LMS platforms. Zapier connection allows automated video creation. The focus is on enterprise workflow integration rather than developer customization.
した： Developer-first approach with API access on all paid plans. The Talking Head API can generate millions of videos programmatically. Neural networks trained on tens of thousands of videos power the technology. Perfect for apps, チャットボット, and custom integrations.
💡 Test Result: D-ID’s API generated videos 3x faster than manual creation in Synthesia. For developers building video features into products, D-ID is the clear choice.
7. Translation and Localization
シンセシア： One-click translation converts videos into 140+ languages instantly. The avatar lip-syncs to the new language automatically. This saves hours compared to re-recording content. Perfect for global organizations with multilingual training needs.
した： Video Translator feature allows converting content to multiple languages. The process is automated but language coverage is narrower than Synthesia. Works well for common languages but may struggle with less common dialects.
8. Interactive Video Features
シンセシア： Creates interactive videos with clickable elements and branching paths. Viewers can choose their journey through training content. Quizzes and assessments can be embedded. Ideal for engaging e-learning experiences that adapt to learner choices.
した： AI Agents feature enables real-time video chat interactions. Users can have conversations with AI avatars. The chat.D-ID app showcases this technology. More focused on conversational AI than traditional interactive video branching.
価格とコスト
Here’s how the pricing compares side by side.
| Tier | シンセシア | した |
|---|---|---|
| 無料 | Demo only | 14-day trial |
| エントリ | $18/month (Starter) | $4.7/month (Lite) |
| Mid-tier | $64/month (Creator) | $16/month (Pro) |
| 高度な | — | 月額108ドル |
| 企業 | カスタム | カスタム |
シンセシア： Premium pricing reflects enterprise-grade features. The $18/month Starter plan is reasonable for testing. Creator at $64/month provides more value for serious users. Enterprise pricing includes custom avatars, SSO, and dedicated support.
した： Most affordable entry point in AI video at $4.7/month. The Pro plan at $16/month costs less than Synthesia’s Starter. Advanced plan at $108/month suits agencies with higher volume needs. API pricing is separate and usage-based.
💡 Test Result: D-ID is 75% cheaper at entry level ($4.7 vs $18). For budget-conscious creators, D-ID offers more affordable experimentation. Synthesia’s higher cost delivers noticeably better quality for professional use.
Different Scenarios
| If You Need… | Choose | Why |
|---|---|---|
| Tight budget | した | 75% cheaper entry price |
| Enterprise training | シンセシア | Best corporate features |
| API統合 | した | Developer-first approach |
| Professional avatars | シンセシア | Studio-quality presenters |
| Photo animation | した | Unique photo-to-video feature |
| Multilingual content | シンセシア | 140+ languages supported |
💰 Your Budget
D-ID wins if budget is your primary concern. At $4.7/month, it’s the cheapest way to test AI video generation. Synthesia’s $18/month Starter plan costs more but delivers noticeably higher quality.
🔌 Your Tech Stack
D-ID is built for developers who want API access on any plan. Synthesia reserves API for Enterprise customers. If you’re building video features into your product, D-ID is the obvious choice.
📝 Your Content Type
Synthesia excels at polished training videos and corporate communications. D-ID is better for quick social content, personalized marketing, and creative projects. Match the platform to your content needs.
🎓 Your Experience Level
Both platforms are beginner-friendly. Synthesia’s PowerPoint-like interface is more intuitive for non-technical users. D-ID requires slightly more comfort with technology, especially for API usage.
🆓 Free Trials and Demos
D-ID offers a 14-day free trial with actual credits. Synthesia provides a demo video but no full trial. Test D-ID first since it’s free, then compare against Synthesia if needed.
🛟 Support Options
Synthesia provides dedicated support for Enterprise customers. D-ID focuses on documentation and self-service. For hands-on support during implementation, Synthesia’s Enterprise tier delivers more.
Switching Guide
Already using one of these platforms?
Here’s what to expect if you decide to switch.
🔄 Switching from Synthesia to D-ID?
✅ What you’ll gain:
- Significant cost savings (up to 75% at entry level)
- API access on all paid plans for custom integrations
- Unique photo-to-video animation capability
❌ What you’ll lose:
- Studio-quality professional avatars
- 60+ polished templates and layouts
- Enterprise collaboration features
📋 How to switch:
- Download your existing Synthesia videos before canceling
- Create a D-ID account and start with the free trial
- Recreate your content using D-ID’s Creative Reality Studio
🔄 Switching from D-ID to Synthesia?
✅ What you’ll gain:
- 150+ professional studio-quality avatars
- One-click translation to 140+ languages
- Enterprise-grade collaboration and 安全
❌ What you’ll lose:
- Ultra-low pricing (Synthesia costs more)
- Photo-to-video animation feature
- Easy API access on lower-tier plans
📋 How to switch:
- Export your D-ID videos and save any scripts
- Sign up for Synthesia’s demo to test the platform
- Recreate videos using Synthesia’s templates and avatars
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰 Pricing | した |
| 🎯 Avatar Quality | シンセシア |
| ⚡ Video Speed | した |
| 🔧 Templates & Design | シンセシア |
| 👶 Ease of Use | シンセシア |
| 🔌 API & Integration | した |
| 🌍 Language Support | シンセシア |
| 🏢 Enterprise Features | シンセシア |
| 🏆 Overall Winner | シンセシア |
🏆 WINNER: Synthesia
Synthesia wins 5 out of 8 categories.
Best for: Corporate training, enterprise communications, professional video content at scale
Synthesia and D-ID serve different audiences.
Synthesia is the premium choice for enterprises needing professional AI videos.
The platform excels at corporate training, onboarding, and internal communications.
D-ID is the budget-friendly option for developers and creative professionals.
Its API-first approach and photo-to-video features suit technical users perfectly.
D-ID wins on price and developer access.
However, Synthesia’s superior avatar quality and enterprise features make it the overall winner.
ほとんどの 仕事 use cases, Synthesia delivers better results.
Start with D-ID if budget is tight or you need API access.
Choose Synthesia when quality and professionalism matter most.
More of Synthesia Compared
Here’s how Synthesia stacks up against other competitors:
Synthesia wins on: Avatar quality, enterprise features, language support
ヘイジェン wins on: Pricing, avatar customization, video templates variety
Synthesia vs コロサイ
Synthesia wins on: Brand recognition, template library, collaboration tools
Colossyan wins on: AI script writing, emotion settings, interactive features
Synthesia vs ヴィード
Synthesia wins on: AIアバター quality, enterprise security, training focus
Veed wins on: Video editing tools, social media features, subtitling
Synthesia vs エライ
Synthesia wins on: Avatar realism, global language support, brand trust
Elai wins on: Pricing flexibility, custom avatar creation, API access
Synthesia vs ヴィドノズ
Synthesia wins on: Professional quality, enterprise features, support
Vidnoz wins on: Free plan generosity, AIツール variety, affordability
Synthesia wins on: Template variety, collaboration, language coverage
Deepbrain wins on: Real-time avatar generation, conversational AI, speed
Synthesia vs シンセシス
Synthesia wins on: Avatar quality, enterprise features, brand recognition
Synthesys wins on: Voice cloning, pricing options, simple interface
Synthesia vs 1時間目
Synthesia wins on: Template library, ease of use, language support
Hour One wins on: Avatar realism, enterprise pricing, virtual human tech
Synthesia vs ヴィルボ
Synthesia wins on: Professional quality, enterprise security, collaboration
Virbo wins on: Mobile app, pricing, AI photo editing features
Synthesia vs ヴィドヤード
Synthesia wins on: AI avatar technology, multilingual support, training focus
Vidyard wins on: Video analytics, sales enablement, screen recording
Synthesia vs フリキ
Synthesia wins on: Avatar quality, enterprise features, template variety
Fliki wins on: Text-to-video speed, pricing, social media focus
Synthesia wins on: Video creation, avatar quality, enterprise features
Speechify wins on: Text-to-speech quality, accessibility, reading tools
Synthesia vs ビデオ内
Synthesia wins on: AI avatars, professional quality, training content
InVideo wins on: Video editing, stock media, marketing templates
Synthesia vs クリエイティファイ
Synthesia wins on: Avatar quality, language support, enterprise security
Creatify wins on: Ad creation speed, e-commerce focus, URL-to-video
Synthesia vs キャプションAI
Synthesia wins on: Professional avatars, enterprise features, training
Captions AI wins on: Mobile editing, social content, caption accuracy
More of D-ID Compared
Here’s how D-ID stacks up against other competitors:
D-ID wins on: Lower pricing, photo-to-video animation, API accessibility
HeyGen wins on: Avatar quality, voice cloning, template variety
D-ID wins on: API flexibility, budget-friendly plans, photo animation
Colossyan wins on: Conversation feature, learning scenarios, avatar expressions
D-ID wins on: AI avatar focus, photo animation, API access
Veed wins on: Video editing tools, subtitle features, collaboration
D-ID wins on: Lower entry price, API capabilities, photo-to-video
Elai wins on: Avatar customization, slide import, brand kits
D-ID wins on: Developer API, creative studio tools, face animation
Vidnoz wins on: Free tier limits, template selection, voice options
D-ID vs DeepBrain AI
D-ID wins on: Pricing flexibility, API access, photo animation
DeepBrain AI wins on: Avatar realism, conversation AI, enterprise features
D-ID wins on: Lower cost plans, API flexibility, photo-to-video
Synthesys wins on: Voice library, avatar selection, text-to-speech quality
D-ID wins on: Budget pricing, developer API, photo animation
Hour One wins on: Enterprise features, avatar quality, brand customization
D-ID wins on: API access, photo-to-video feature, creative flexibility
Virbo wins on: Mobile app, avatar diversity, template library
D-ID wins on: AI avatar creation, photo animation, lower price
Vidyard wins on: Video analytics, sales integration, screen recording
D-ID wins on: Photo-to-video, API capabilities, face animation
Fliki wins on: Blog-to-video, voice variety, stock media library
D-ID wins on: Video creation, AI avatars, visual content
Speechify wins on: Text-to-speech focus, audiobook features, reading tools
D-ID wins on: AI avatar focus, photo animation, API access
InVideo wins on: Video editing depth, stock footage, template variety
D-ID wins on: Photo-to-video, developer API, established platform
Creatify wins on: Ad video focus, URL-to-video, marketing templates
D-ID wins on: AI avatar creation, photo animation, enterprise API
Captions AI wins on: Auto-captioning, social media focus, mobile editing
よくある質問
Is Synthesia AI free to use?
Synthesia offers a free demo but no permanent free plan. Paid plans start at $18 per month for the Starter tier. You can test features with a 14-day trial before committing.
私は D-IDを使用する for free?
D-ID offers a free trial with limited credits. After that, the Lite plan costs $4.70 per month. This makes D-ID more accessible for users on tight budgets.
What is Synthesia AI used for?
Synthesia creates AI-generated videos using digital avatars. Businesses use it for training videos, product demos, onboarding content, and internal communications. It supports over 140 languages.
What is D-ID used for?
D-ID transforms photos into talking videos using AI. Users create marketing content, educational videos, and personalized messages. Its API also powers developer applications at scale.
What is better than Synthesia?
D-ID offers better value for budget-conscious users. HeyGen provides superior avatar quality. Colossyan excels at learning and development scenarios. Your choice depends on your specific needs and budget.
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