HeyGen vs Synthesia
Side-by-side comparison to help you choose the right tool
HeyGen
AI Avatar Video Generator
Synthesia
Enterprise AI Video Platform
- 300+ realistic AI avatars
- 175+ languages & voices
- Instant avatar creation from selfie
- API access for automation
- 230+ diverse AI avatars
- Custom avatar from your likeness
- 140+ languages
- SOC 2 & GDPR compliant
- Free plan runs on credits - creating an avatar can exhaust them before you generate a video
- Avatar lip-sync can look off on complex speech
- Enterprise pricing is steep
- Limited creative control vs traditional editors
- Custom avatars require Enterprise plan
- No free trial for Enterprise features
HeyGen vs Synthesia: What's the Difference?
HeyGen and Synthesia are the two best-known AI avatar platforms, but they lean in different directions. HeyGen is built for marketing and personalization: 300+ avatars, output in 175+ languages, instant avatar creation from a selfie, voice cloning and a full API make it the tool of choice for teams that generate personalized outreach, product demos and social video at scale. Synthesia is built for the enterprise: 230+ avatars, 140+ languages, custom avatars from your likeness, and - critically - SOC 2 and GDPR compliance that makes it trusted by 50,000+ companies for training, onboarding and internal communications. Both are text-to-video studios rather than timeline editors, so the real split is not quality but purpose: HeyGen optimizes for personalized, API-driven marketing video, while Synthesia optimizes for compliant, repeatable corporate content. Read the full HeyGen review and Synthesia review for the detail behind each.
Which Should You Choose - HeyGen or Synthesia?
Choose HeyGen if your work is marketing, sales or e-commerce and personalization matters: instant avatars from a selfie, voice cloning and API access let you spin up thousands of tailored videos, and at $24/mo it is priced for growth teams. Choose Synthesia if you are producing training, onboarding or regulated internal content at scale: its SOC 2 and GDPR compliance, custom likeness avatars and 140+ languages are exactly what L&D and enterprise teams need, from $22/mo. The tie-breakers are compliance and control - if a security review is part of your rollout, Synthesia is the safer default; if speed of personalized output is the priority, HeyGen wins. Both offer a free plan, so the low-risk move is to test avatar quality in each before committing. Still deciding between avatar tools? Compare the full field of AI avatar tools.
HeyGen vs Synthesia at a Glance
How the two platforms line up on the factors that usually decide the choice.
| Factor | HeyGen | Synthesia |
|---|---|---|
| Starting price | $24/mo | $22/mo |
| Free plan | Yes (1 min/video) | Yes |
| AI avatars | 300+ | 230+ |
| Languages | 175+ | 140+ |
| Custom avatar | Instant from selfie | From your likeness (Enterprise) |
| Compliance | API & brand kit | SOC 2 & GDPR |
| Best for | Marketing & personalized video | Enterprise training & compliance |
HeyGen vs Synthesia: Frequently Asked Questions
HeyGen vs Synthesia - which is better?
Neither is strictly better - it depends on the job. HeyGen is better for marketing, personalized outreach and API-driven video at scale. Synthesia is better for enterprise training, onboarding and compliance-heavy content in many languages. Match the tool to your use case rather than chasing a single winner.
Is HeyGen or Synthesia cheaper?
They are close. Synthesia starts at $22/mo and HeyGen at $24/mo, and both offer a free plan to test avatar quality first. HeyGen's free plan caps videos at one minute, so real projects need a paid plan on either platform.
Which has more avatars and languages?
HeyGen leads on both counts, with 300+ avatars and 175+ languages versus Synthesia's 230+ avatars and 140+ languages. Both let you create a custom avatar - HeyGen instantly from a selfie, Synthesia from your likeness on higher-tier plans.
Which is better for enterprise use?
Synthesia. Its SOC 2 and GDPR compliance and use by 50,000+ companies make it the safer default for training, onboarding and regulated internal content. HeyGen is the stronger pick for marketing and personalized video at scale.