Comparison
HeyGen vs Synthesia
HeyGen: Create videos with realistic AI avatars and translation into 175+ languages. Synthesia: Create professional videos with AI avatars and voices in 160+ languages.
| HeyGen | Synthesia | |
|---|---|---|
| Rating | 4.7 | 4.7 |
| Price | Freemium From $29/month (Creator plan). Free plan available with limits (3 videos/month, watermark, 720p). | Freemium From $18/month (Starter plan, annual) or $29/month (monthly). Free plan available with 10 minutes/month and a Synthesia watermark. |
| Free plan | ||
| API available | ||
| Open source | ||
| In Spanish | ||
| No watermark | ||
| Platforms | Web | Web |
HeyGen
- Highly realistic avatars with Avatar IV/V and natural lip sync in 175+ languages
- Professional-quality voice cloning that preserves the original tone and accent
- Robust, well-documented API for enterprise automation and integrations (HubSpot, Zapier, Make)
- Confusing credit system: premium avatars (Avatar IV) burn 20 credits/minute, limiting real output
- Mandatory watermark on the free plan; removing it requires upgrading to Creator ($29/month)
Synthesia
- Exceptional support for 160+ languages with lip sync included, ideal for global content
- Intuitive interface that lets you create professional videos with no technical experience
- API available on the Creator plan and above to automate video creation at scale
- The free plan carries a Synthesia watermark that only paid plans remove
- Unused video minutes do not carry over to the next month