Amazon Lex vs Synthesia
Side-by-side comparison of features, pricing, and integrations.
Quick Verdict
Amazon Lex offers fewer features (31 vs 45) and more integrations (17 vs 11). Starting price: Amazon Lex at Free vs Synthesia at $29/mo. Amazon Lex has 31 unique features while Synthesia has 45 unique features, with 0 features in common.
| Amazon Lex | Synthesia | |
|---|---|---|
| Category | AI & Machine Learning | AI & Machine Learning |
| Total Features | 31 | 45 |
| AI-Powered Features | 11 | 16 |
| Starting Price | Free | $29/mo |
| Pricing Tiers | 4 | 4 |
| Integrations | 17 | 11 |
| Shared Features | 0 | |
| Shared Integrations | 0 | |
| Data Quality | 85% | 85% |
Feature Comparison by Category
AI (6 vs 0)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| Assisted Slot Resolution | ||
| Automatic Speech Recognition (ASR) | ||
| Conversational FAQ | ||
| Generative AI-Powered Chat | ||
| Natural Language Understanding (NLU) | ||
| Sample Utterance Generation |
AI Audio (0 vs 2)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| AI Voices | ||
| Voice Cloning |
AI Avatars (0 vs 6)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| Avatar Builder | ||
| Customizable Avatars | ||
| Dialogue | ||
| Expressive Avatars (Express-2) | ||
| Personal Avatars | ||
| Studio Express-1 Avatar |
AI Content Creation (0 vs 2)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| AI Playground | ||
| AI Video Assistant |
AI Integration (0 vs 1)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| Veo 3.1 and Sora 2 Integration |
Accessibility (0 vs 1)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| Auto-Generated Closed Captions |
Analytics (0 vs 1)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| Analytics |
Assets (0 vs 1)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| Media Library |
Audio (1 vs 2)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| 8 kHz Telephony Audio Support | ||
| Background Music | ||
| Voiceover Uploads |
Automation (0 vs 1)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| Bulk Personalization |
Branding (0 vs 4)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| Brand Kits | ||
| Branded Templates | ||
| Branded Video Pages | ||
| Custom Fonts |
Builder (3 vs 0)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| Automated Chatbot Designer | ||
| Descriptive Bot Builder | ||
| Visual Conversation Builder |
Collaboration (0 vs 3)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| Commenting | ||
| Live Collaboration | ||
| Multi-workspace Support |
Content Creation (0 vs 3)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| Image/Video Uploads | ||
| PowerPoint Import | ||
| Templates |
Content Management (0 vs 1)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| Version Control |
Conversation (6 vs 0)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| Barge-in Support | ||
| Context Management | ||
| Intelligent Pausing | ||
| Multi-turn Dialog | ||
| Streaming Conversations | ||
| Wait and Continue |
Deployment (1 vs 0)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| One-click Deployment |
Distribution (0 vs 1)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| Video Embeds |
Export (0 vs 1)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| MP4 Downloads |
Integration (6 vs 2)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| AWS Lambda Integration | ||
| Amazon Bedrock Integration | ||
| Amazon Connect Integration | ||
| Amazon Kendra Integration | ||
| Amazon Polly Integration | ||
| Omnichannel Deployment | ||
| SCORM Export | ||
| Synthesia API |
Interactivity (0 vs 1)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| Interactive Videos |
Learning (0 vs 1)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| Synthesia Academy |
Lifecycle Management (2 vs 0)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| Bot Aliases | ||
| Versioning and Rollback |
Localization (0 vs 2)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| 1-Click Translation | ||
| AI Dubbing with Lip Sync |
Playback (0 vs 1)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| Multilingual Video Player |
Pricing (3 vs 0)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| Pay-as-you-go Pricing | ||
| Request and Response Interaction Model | ||
| Streaming Conversation Pricing Model |
Recording (0 vs 1)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| AI Screen Recorder |
Reporting (1 vs 0)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| Analytics Dashboard |
Security (0 vs 4)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| Content Moderation | ||
| Password Protected Video Pages | ||
| SAML/SSO | ||
| SSO Video Pages |
Support (0 vs 3)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| 24/7 Live Chat Support | ||
| Dedicated Customer Success Manager | ||
| Implementation Services |
Testing (1 vs 0)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| Test Workbench |
UI (1 vs 0)
| Feature | Amazon Lex | Synthesia |
|---|---|---|
| Rich Formatting Capabilities |
Unique Features
Only in Amazon Lex (31)
Assisted Slot Resolution
Automatic Speech Recognition (ASR)
Conversational FAQ
Generative AI-Powered Chat
Natural Language Understanding (NLU)
Sample Utterance Generation
8 kHz Telephony Audio Support
Automated Chatbot Designer
Descriptive Bot Builder
Visual Conversation Builder
Barge-in Support
Context Management
Intelligent Pausing
Multi-turn Dialog
Streaming Conversations
Wait and Continue
One-click Deployment
Amazon Bedrock Integration
Amazon Connect Integration
Amazon Kendra Integration
+ 11 more unique features
Only in Synthesia (45)
Auto-Generated Closed Captions
AI Voices
Voice Cloning
Avatar Builder
Customizable Avatars
Dialogue
Expressive Avatars (Express-2)
Personal Avatars
Studio Express-1 Avatar
AI Playground
AI Video Assistant
Veo 3.1 and Sora 2 Integration
Analytics
Media Library
Background Music
Voiceover Uploads
Bulk Personalization
Brand Kits
Branded Templates
Branded Video Pages
+ 25 more unique features
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