Side-by-side tool comparison
Synthesia vs HeyGen: AI Avatar Video Compared
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Synthesia is the established leader in AI avatar videos with strong enterprise features, interactive branching videos, and 230+ avatars. HeyGen offers compelling video translation with lip-sync dubbing, custom avatars on all paid plans, and broader language support. Choose Synthesia for enterprise training and interactive video; choose HeyGen for video translation, custom avatars, and marketing content.
| Feature | Synthesia | HeyGen |
|---|---|---|
| Type | AI avatar video platform | AI avatar video platform |
| Free Tier | 1 free demo video | 1 free credit |
| Pro Price | $22/mo (Starter) | $24/mo (Creator) |
| Enterprise Price | Custom (Enterprise) | $120/mo (Business) |
| Stock Avatars | 230+ avatars | 200+ avatars |
| Custom Avatar | Yes (Enterprise) | Yes (all paid plans) |
| Languages | 140+ languages | 175+ languages |
| Video Translation | Yes | Yes (lip-sync dubbing) |
| Templates | 200+ video templates | 300+ templates |
| Interactive Video | Yes (branching, CTAs) | Limited |
| API Access | Yes (Enterprise) | Yes (Business+) |
| Crypto Payment | Card only | Card only |
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Frequently Asked Questions
What is the difference between Synthesia and HeyGen?
Synthesia is the established leader in AI avatar videos with strong enterprise features, interactive branching videos, and 230+ avatars. HeyGen offers compelling video translation with lip-sync dubbing, custom avatars on all paid plans, and broader language support. Choose Synthesia for enterprise training and interactive video; choose HeyGen for video translation, custom avatars, and marketing content.
Which is better, Synthesia or HeyGen?
It depends on your needs. Synthesia is the established leader in AI avatar videos with strong enterprise features, interactive branching videos, and 230+ avatars. HeyGen offers compelling video translation with lip-sync dubbing, custom avatars on all paid plans, and broader language support. Choose Synthesia for enterprise training and interactive video; choose HeyGen for video translation, custom avatars, and marketing content. Check the detailed comparison table above to see how they differ across pricing, features, and use cases.
Can I use Synthesia and HeyGen together?
Yes, many users combine both tools. Synthesia and HeyGen have different strengths, so using them side by side can cover more of your workflow. There's no technical reason you can't use both.
Who should choose Synthesia over HeyGen?
Pick Synthesia if your priority is corporate training and onboarding videos at scale. Pick HeyGen if you need corporate training and onboarding videos in multiple languages. Both are solid options — the best choice depends on your specific workflow.
Is HeyGen free?
HeyGen offers a free plan with limited features. Free tier with limited credits. Paid plans add more avatars, longer videos, and premium features.
What are the best alternatives to Synthesia and HeyGen?
Check our comparison page for related tools. We cover similar products in the same category so you can find the right fit. Each alternative is compared on pricing, features, and use cases.