HeyGen vs Synthesia: Which Should You Choose?
HeyGen and Synthesia are both popular choices in AI video generators & editors. This comparison puts their focus, pricing model, strengths and limitations side by side so you can decide which one fits your work — or whether you need both.
| HeyGen | Synthesia | |
|---|---|---|
| Developer | HeyGen | Synthesia |
| Category | AI Video | AI Video |
| Focus | AI Avatars | Video Generation & Editing |
| Pricing model | Freemium | Paid |
| Free option | Free plan with limits | No free plan listed |
| Best for | translating videos for new markets, sales outreach videos | employee training, product explainers |
| Key features | realistic avatar videos, video translation with lip-sync, custom digital twins | AI avatar presenters in many languages, script-to-video with templates, custom avatars of yourself |
Strengths and limitations
👤 HeyGen
Create realistic AI avatar videos.
Stands out for- Very natural lip-sync and translation
- Fast creation
- Free plan to test
- Credit limits on lower plans
- Consent needed to create someone's avatar
🎥 Synthesia
Create AI videos using realistic avatars.
Stands out for- Professional training videos without filming
- Strong enterprise security
- Many languages and voices
- Subscription required for regular use
- Avatars suit corporate content more than creative work
Which one should you choose?
Choose HeyGen if you mainly need help with translating videos for new markets, sales outreach videos, course content.
Choose Synthesia if you mainly need help with employee training, product explainers, multilingual onboarding.
On a tight budget, start with HeyGen: it has a free option, while Synthesia is paid.
They focus on different jobs: HeyGen is listed under AI Avatars, Synthesia under Video Generation & Editing. Many people use both.
How to test them yourself in 15 minutes
- Pick one real task you do every week — not a demo prompt.
- Run exactly the same input in HeyGen and Synthesia, twice each.
- Score the results for accuracy, how much editing they need and speed.
- Check the limits of each free plan and what your usual monthly usage would cost.
- Read the privacy settings of both before uploading real work.
Buying checklist for AI video generators & editors
- Decide the job first: cinematic clips, avatar presenters, editing or short-form repurposing.
- Work out the real cost per exported minute at the resolution you need.
- Check watermark rules on free plans and commercial-use rights on paid plans.
- For avatars and dubbing, test lip-sync and pronunciation in your own language.
Keep in mind: Label synthetic video where viewers could be misled, and never clone a voice or face without written permission.
FAQ
Is HeyGen better than Synthesia?
Neither is better for everyone. HeyGen is strongest for translating videos for new markets, sales outreach videos, while Synthesia is strongest for employee training, product explainers. Test both with your own work.
Are HeyGen and Synthesia free?
HeyGen: free plan with limits. Synthesia: no free plan listed. Prices and limits change often, so confirm on each official pricing page.
Can I use HeyGen and Synthesia together?
Yes. Many people use one tool for drafting or generating and another for checking or finishing. Avoid paying for both if they do the same job for you.