Synthesia vs HeyGen
Which AI ai avatars should you pick in 2026? Pricing, agents, plans and use cases, side by side.
FSReviewed May 23, 2026 by Faisal Saleem · no paid placementsPick Synthesia if budget is the priority. The other tool wins on specific features, see the side-by-side below.
- You want the lower entry price: $18/mo vs $29/mo.
- You need 230+ avatars or 140+ languages, which HeyGen doesn't offer.
- You mostly do corporate training or internal comms.
- You need Realistic avatars or Personal avatars, which Synthesia doesn't offer.
- You mostly do training videos or product demos.
By the numbers
Side by side
| SPEC | ||
|---|---|---|
| Starts at | $18/moCHEAPER | $29/mo |
| Pricing model | Freemium | Freemium |
| AI agent | No | No |
| Editor's Pick | No | No |
| Key features | 230+ avatars140+ languagesCustom avatarsTemplates | Realistic avatarsPersonal avatarsVideo translateLip sync |
| Best for | Corporate trainingInternal commsSales enablementMarketing | Training videosMarketingProduct demosLocalization |
| Works with | #avatar#enterprise#training | #avatar#video#dubbing |
Plan by plan
- 1,200 credits/month (10 mins)
- 9 AI avatars
- No credit card required
- 1 video/month, up to 3 mins
- 1 custom digital twin
- 500+ stock avatars
- 14,500 credits/year
- 125+ stock avatars
- 3 personal avatars
- Unlimited videos up to 30 mins
- Voice cloning, 175+ languages
- 1080p export
- 44,000 credits/year
- 180+ AI avatars
- API access, branded pages
- 10x premium usage
- Faster processing
- 4K video export
- Unlimited video minutes
- 1-click translation (80+ langs)
- SAML/SSO, live collaboration
- Videos up to 60 mins, 4K export
- 5 custom digital twins
- SAML/SSO, centralized billing
- Unlimited videos, no duration limit
- Multi-workspace control
- Enterprise security
What each is best for
| USE CASE | ||
|---|---|---|
| Corporate training | ||
| Internal comms | ||
| Sales enablement | ||
| Marketing | ||
| Training videos | ||
| Product demos | ||
| Localization |
Strengths and trade-offs
- Free tier available; paid plans from $18/mo
- 230+ avatars
- 140+ languages
- Custom avatars
- No autonomous agent, handles single prompts, not multi-step workflows
- Competition is strong in this space, see HeyGen for comparison
- Free tier available; paid plans from $29/mo
- Realistic avatars
- Personal avatars
- Video translate
- No autonomous agent, handles single prompts, not multi-step workflows
- Competition is strong in this space, see Synthesia for comparison
Synthesia vs HeyGen FAQ
Short answers to what people ask most before choosing between these two.
Is Synthesia better than HeyGen?
It depends on your workflow. Synthesia is focused on assistive features, while HeyGen doesn't include an agent. Neither is currently our Editor's Pick, both are credible options. See the side-by-side table above for specifics.
Is Synthesia cheaper than HeyGen?
Synthesia is cheaper. Synthesia starts at $18/mo and HeyGen starts at $29/mo, a difference of roughly $11.00 per month at the entry tier.
Does Synthesia have an AI agent?
No, Synthesia is built around assistive features (autocomplete, chat) rather than a true autonomous agent. If agent functionality is a hard requirement, neither tool in this comparison ships one.
Does HeyGen have an AI agent?
No, HeyGen focuses on assistive features rather than agents.
What's the difference between Synthesia and HeyGen?
Both are ai avatars tools. The key differences come down to pricing (Synthesia: Freemium, from $18/mo; HeyGen: Freemium, from $29/mo), agent capability (Synthesia: no, HeyGen: no), and feature focus. Use the comparison table above to weigh which axis matters most for your work.
What's a good alternative to Synthesia and HeyGen?
Beyond Synthesia and HeyGen, the strongest alternatives in AI Avatars depend on whether you prioritise price, agent capability, or specific features. See our "Synthesia alternatives" and "HeyGen alternatives" pages for a hand-picked ranking of each.