Synthesia vs HeyGen
Quick answer
Synthesia is geared to corporate training and communication with a large library of stock avatars and team features. HeyGen is popular with creators and marketers for personal avatars and video translation with lip-sync. The better choice depends on whether you need enterprise training content or localised creator videos.
Which one should you pick?
There is no universal winner — the right choice depends on what you make.
Best for corporate training and onboarding
Synthesia
Built around enterprise communication with team workflows and many stock avatars.
Best for translating your own videos
HeyGen
Video translation with lip-sync and personal avatar creation.
Quick comparison
| Feature | SSynthesia | HHeyGen |
|---|---|---|
| Best for | Training, onboarding and corporate explainers | Creators and marketers localising videos into other languages |
| Editorial rating | ||
| Pricing | Freemium | Freemium |
| Free plan | Not verified | Yes |
| Free trial | Not verified | Not verified |
| API | Yes | Yes |
| Platforms | Web | Web, iOS |
| AI avatars | Yes | Yes |
| Text-to-speech | Yes | Yes |
| AI dubbing / translation | Yes | Yes |
| Templates | Yes | Not verified |
| Team collaboration | Yes | Not verified |
| Voice cloning | Not verified | Yes |
| Visit Synthesia | Visit HeyGen |
Pricing
Synthesia
Pricing changes often — check the official pricing page for current plans.
HeyGen
Pricing changes often — check the official pricing page for current plans.
Detailed comparison
Synthesia
Best for: Training, onboarding and corporate explainers
Synthesia creates presenter-style videos from text using AI avatars and voices in many languages, widely used for training, onboarding and explainer content.
Write or paste a script, choose an avatar and language, and Synthesia renders a professional presenter video. Teams can update videos by editing the text instead of re-filming.
Pros
- Many stock avatars and languages
- Consistent, professional presenter output
- Team and enterprise features
Cons
- Avatars can feel formal for entertainment content
- Custom avatars cost extra
- Video minutes are limited per plan
HeyGen
Best for: Creators and marketers localising videos into other languages
HeyGen generates talking-avatar videos from scripts, lets you create a digital twin of yourself and translates videos into other languages with lip-sync.
Write a script, pick a stock avatar or create a digital twin from your own footage, and HeyGen renders the video. Its translation feature re-voices an existing video in another language and matches lip movements.
Pros
- Video translation with lip-sync
- Personal avatars from your own footage
- API for automated workflows
Cons
- Credits run out quickly on longer videos
- Avatar realism varies by footage quality
- Consent and disclosure rules apply to digital twins
FAQ
Do both tools support many languages?
Yes, both support multiple languages for voices. Check each site for the current list.
Can I create an avatar of myself?
Both offer custom avatars; availability depends on plan and requires your consent and verification.
Still deciding? Try both — each offers a way to start before you pay.
Sources
- Synthesia — official website — Synthesia LtdProduct description, features and platforms
- Synthesia — pricing — Synthesia LtdPlans and pricing model
- HeyGen — official website — HeyGenProduct description, features and platforms
- HeyGen — pricing — HeyGenPlans and pricing model