Grammarly vs Synthesia2026
Grammarly
AI Tools
AI writing assistant that checks grammar, clarity, tone, and style across everything you write.
Synthesia
AI Tools
AI video generation platform used by 50,000+ companies to create professional videos without filming.
Our Verdict
Grammarly has the pricing advantage with a free tier.
Choose Grammarly if…
budget-conscious buyers who want to start for free or at lower cost
Choose Synthesia if…
teams that need more power and don't mind paying for it
Side-by-Side Comparison
Green highlight = advantage on that metric.
| Feature | Grammarly | Synthesia |
|---|---|---|
| Pricing | ||
| Pricing model | Freemium | Subscription |
| Starting price | $12/mo | $29/mo |
| Free tier | ||
| Free trial | ||
| Ratings & Reviews | ||
| User rating | No reviews yet | No reviews yet |
| Features & Capabilities | ||
| Best for | teams of all sizes | teams of all sizes |
| Tracked features | 3 | 4 |
| Company | ||
| Founded | 2009 | 2017 |
| Verified listing | ||
Pricing
Grammarly
FreemiumSynthesia
SubscriptionGrammarly
$12/moSynthesia
$29/moGrammarly
Synthesia
Grammarly
Synthesia
Ratings & Reviews
Grammarly
No reviews yetSynthesia
No reviews yetFeatures & Capabilities
Grammarly
teams of all sizesSynthesia
teams of all sizesGrammarly
3Synthesia
4Company
Grammarly
2009Synthesia
2017Grammarly
Synthesia
Key Differences
Grammarly
Freemium✓
Synthesia
Subscription
Grammarly
$12/mo✓
Synthesia
$29/mo
Grammarly is best for…
Strengths
- 30M+ daily users — most trusted writing assistant
- Works across browser email and writing apps
- Tone detection and clarity suggestions
- Plagiarism checker on Premium
Synthesia is best for…
Strengths
- Market leader in AI video generation
- 230+ diverse AI avatars
- 140+ languages with lip-sync
- Custom avatar creation for enterprise
Pricing Comparison
Grammarly
From $12/mo
Free plan available. Premium from $12/month billed annually.
Synthesia
From $29/mo
Starter plan from $29/month for 10 videos/month.
Pricing information is verified periodically. Visit each vendor's pricing page for current rates and plan details.
Feature Comparison
Only in Grammarly
- Brand Kit
- API Access
Both tools
- AI Writing
Only in Synthesia
- AI Video Generation
- Video Editing
- Design Templates
Alternatives & More Comparisons
Alternatives to Grammarly
Alternatives to Synthesia
Frequently Asked Questions
- What is the main difference between Grammarly and Synthesia?
- Grammarly has the pricing advantage with a free tier. Choose Grammarly if you need it for budget-conscious buyers who want to start for free or at lower cost. Choose Synthesia if you need it for teams that need more power and don't mind paying for it.
- Is Grammarly cheaper than Synthesia?
- Grammarly is cheaper at From $12/mo vs From $29/mo. Note that pricing tiers vary — check each vendor's current pricing page for up-to-date details.
- Can I switch from Grammarly to Synthesia?
- Yes — most teams can migrate from Grammarly to Synthesia with a data export/import process. Check whether both tools support CSV or API data export before starting. It's advisable to run both tools in parallel for a short period to verify your data migrated correctly.