Synthesia vs HeyGen: which should you choose?
Quick answer: Synthesia is built for corporate training, while HeyGen suits avatar videos. For most users Synthesia is the stronger default, but HeyGen can be the better fit depending on your budget and use case.
Synthesia versus HeyGen comes down to which trade-offs you can live with. Below we compare them on pricing, strengths and the use cases each one fits, then give a clear verdict.
Side-by-side
| Synthesia | HeyGen | |
|---|---|---|
| Category | AI Video | AI Video |
| What it's known for | AI avatar video platform for training and corporate communications. | AI avatar and video translation platform with realistic talking avatars. |
| Pricing | Plans from ~$29/mo (Starter) to custom Enterprise. | Free tier; paid from ~$29/mo. |
| Best audience | L&D and corporate comms teams producing training and explainer videos at scale. | Marketers and creators making avatar videos and localizing content across languages. |
| Best for | Corporate training, Explainer videos, Localization | Avatar videos, Video translation, Marketing clips |
| Entry price | Free | Free |
| Biggest strength | Leading avatar realism for corporate/training video. | Strong lip-synced video translation, a standout use case. |
| Main caveat | Low monthly minute caps on lower tiers (3 min free, 10 min Starter, 30 min Creator). | Credit system can be limiting (Avatar IV ~20 credits/min). |
Features compared
Beyond the spec sheet, these are the capabilities that define each tool:
Synthesia key features
- AI avatar video generation from a text script
- 230+ stock avatars and personal/custom avatars
- 140+ languages and voices
- PowerPoint import, templates and AI script assistant
HeyGen key features
- Realistic AI avatars (Avatar IV) and talking-head video from script
- Video translation with matching lip-sync across 175+ languages
- Video Agent and lip-sync tools
- Credit-based generation shared across features
Pricing tiers side by side
Synthesia plans
| Plan | Price | What's included |
|---|---|---|
| Free | $0 | 3 min/mo, 9 avatars, watermarked |
| Starter | ~$18/mo annual (~$29 monthly) | 10 min/mo, 90+ avatars, no watermark |
| Creator | ~$64/mo annual (~$89 monthly) | 30 min/mo, 180+ avatars, API, interactive video |
| Enterprise | Custom (~$20k-100k+/yr) | Unlimited minutes, full avatar library, SSO, SCORM |
HeyGen plans
| Plan | Price | What's included |
|---|---|---|
| Free | $0 | Up to 3 videos/mo, limited premium access |
| Creator | $29/mo (~$24 annual) | 200 credits/mo |
| Pro | ~$49-99/mo | 2,000 credits/mo |
| Business | $149/mo + $20/seat | 1,000 shared credits, team features |
Tiers compiled from the vendors' published plans and independent reviews; prices are approximate and change often, so confirm current figures (and your region's taxes) on each vendor's site.
Strengths compared
Where Synthesia wins
The corporate standard for turning a script into a multilingual talking-avatar video.
- Leading avatar realism for corporate/training video.
- Massive language coverage for localization (140+).
That makes it the stronger pick for l&D and corporate comms teams producing training and explainer videos at scale.
Where HeyGen wins
Avatar video plus lip-synced translation into 175+ languages from a single source clip.
- Strong lip-synced video translation, a standout use case.
- Free tier (up to 3 videos/mo) to test premium features.
That makes it the stronger pick for marketers and creators making avatar videos and localizing content across languages.
Verdict: choose by fit
Both are good at the job, so let your priorities decide.
- Choose Synthesia if you fit its core audience — l&D and corporate comms teams producing training and explainer videos at scale.
- Choose HeyGen if you fit its core audience — marketers and creators making avatar videos and localizing content across languages.
FAQ
Is Synthesia better than HeyGen?
Synthesia is the stronger default for most users, but HeyGen can be the better fit depending on your budget and use case.
What is the main difference between Synthesia and HeyGen?
Synthesia is the corporate standard for turning a script into a multilingual talking-avatar video. HeyGen is avatar video plus lip-synced translation into 175+ languages from a single source clip.
Which is cheaper, Synthesia or HeyGen?
Both Synthesia and HeyGen offer a free tier, so the real comparison is the paid plans above — pick based on the storage, features and limits you actually need.
Sources
Facts above are drawn from these independent reviews and the vendors' own pages for Synthesia and HeyGen: