LangSmith vs Synthesia
Side-by-side comparison of features, pricing, and integrations.
Quick Verdict
LangSmith offers fewer features (36 vs 45) and fewer integrations (9 vs 11). Starting price: LangSmith at $39/mo vs Synthesia at $29/mo. LangSmith has 36 unique features while Synthesia has 45 unique features, with 0 features in common.
| LangSmith | Synthesia | |
|---|---|---|
| Category | AI & Machine Learning | AI & Machine Learning |
| Total Features | 36 | 45 |
| AI-Powered Features | 6 | 16 |
| Starting Price | $39/mo | $29/mo |
| Pricing Tiers | 3 | 4 |
| Integrations | 9 | 11 |
| Shared Features | 0 | |
| Shared Integrations | 0 | |
| Data Quality | 80% | 85% |
Feature Comparison by Category
AI Audio (0 vs 2)
| Feature | LangSmith | Synthesia |
|---|---|---|
| AI Voices | ||
| Voice Cloning |
AI Avatars (0 vs 6)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Avatar Builder | ||
| Customizable Avatars | ||
| Dialogue | ||
| Expressive Avatars (Express-2) | ||
| Personal Avatars | ||
| Studio Express-1 Avatar |
AI Content Creation (0 vs 2)
| Feature | LangSmith | Synthesia |
|---|---|---|
| AI Playground | ||
| AI Video Assistant |
AI Integration (0 vs 1)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Veo 3.1 and Sora 2 Integration |
API (1 vs 0)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Assistants API |
Accessibility (0 vs 1)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Auto-Generated Closed Captions |
Administration (1 vs 0)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Organization Roles |
Agent Creation (1 vs 0)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Agent Builder |
Analytics (1 vs 1)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Analytics | ||
| Insights (beta) |
Assets (0 vs 1)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Media Library |
Audio (0 vs 2)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Background Music | ||
| Voiceover Uploads |
Automation (1 vs 1)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Bulk Personalization | ||
| Cron Scheduling |
Branding (0 vs 4)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Brand Kits | ||
| Branded Templates | ||
| Branded Video Pages | ||
| Custom Fonts |
Collaboration (1 vs 3)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Agent Template Sharing | ||
| Commenting | ||
| Live Collaboration | ||
| Multi-workspace Support |
Compatibility (1 vs 0)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Framework Neutral |
Content Creation (0 vs 3)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Image/Video Uploads | ||
| PowerPoint Import | ||
| Templates |
Content Management (0 vs 1)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Version Control |
Data Management (2 vs 0)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Bulk Data Export | ||
| Dataset Collection |
Deployment (5 vs 0)
| Feature | LangSmith | Synthesia |
|---|---|---|
| 1-Click Deploy | ||
| Agent Deployment | ||
| Auto-scaling | ||
| LangSmith Studio | ||
| Memory Management |
Development (1 vs 0)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Playground |
Distribution (0 vs 1)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Video Embeds |
Evaluation (2 vs 0)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Evaluation | ||
| Online and Offline Evals |
Export (0 vs 1)
| Feature | LangSmith | Synthesia |
|---|---|---|
| MP4 Downloads |
Feedback (1 vs 0)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Annotation Queues |
Hosting (2 vs 0)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Hybrid Hosting | ||
| Self-Hosted Option |
Integration (3 vs 2)
| Feature | LangSmith | Synthesia |
|---|---|---|
| API Triggers | ||
| MCP Server Integration | ||
| MCP Server Tool Integration | ||
| SCORM Export | ||
| Synthesia API |
Interactivity (0 vs 1)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Interactive Videos |
Learning (0 vs 1)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Synthesia Academy |
Localization (0 vs 2)
| Feature | LangSmith | Synthesia |
|---|---|---|
| 1-Click Translation | ||
| AI Dubbing with Lip Sync |
Monitoring (1 vs 0)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Monitoring and Alerting |
Observability (3 vs 0)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Observability | ||
| Real-time Streaming | ||
| Tracing |
Playback (0 vs 1)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Multilingual Video Player |
Prompt Management (2 vs 0)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Canvas | ||
| Prompt Hub |
Recording (0 vs 1)
| Feature | LangSmith | Synthesia |
|---|---|---|
| AI Screen Recorder |
SDK (2 vs 0)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Python SDK | ||
| TypeScript SDK |
Security (4 vs 4)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Agent Authorization | ||
| Authentication & Authorization for LangGraph APIs | ||
| Content Moderation | ||
| Custom SSO | ||
| Password Protected Video Pages | ||
| Role-Based Access Control | ||
| SAML/SSO | ||
| SSO Video Pages |
Support (0 vs 3)
| Feature | LangSmith | Synthesia |
|---|---|---|
| 24/7 Live Chat Support | ||
| Dedicated Customer Success Manager | ||
| Implementation Services |
Templates (1 vs 0)
| Feature | LangSmith | Synthesia |
|---|---|---|
| Prebuilt Templates |
Unique Features
Only in LangSmith (36)
Organization Roles
Agent Builder
Insights (beta)
Assistants API
Cron Scheduling
Agent Template Sharing
Framework Neutral
Bulk Data Export
Dataset Collection
1-Click Deploy
Agent Deployment
Auto-scaling
LangSmith Studio
Memory Management
Playground
Evaluation
Online and Offline Evals
Annotation Queues
Hybrid Hosting
Self-Hosted Option
+ 16 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
Want to build your own alternative to LangSmith or Synthesia?
Analyze it with Reap