HeyGen vs Synthesia
Side-by-side analysis, no fluff. We've tested both in real-world conditions.
Summary table
HeyGen
Freemium
Synthesia
Paid
What's best about HeyGen
- Best-in-class video translation feature — accurate lip sync in 100+ languages
- Natural avatar movement and facial expressions vs competitors
- Avatar cloning lets you put your own face and voice in any video
- API enables fully automated content pipelines at scale
What's best about Synthesia
- Largest avatar library in the market — 230+ with strong diversity coverage
- Native SCORM and xAPI export for direct LMS integration without conversion
- SOC 2 compliance and audit trails meet enterprise security requirements
- Collaborative review workflow fits existing L&D content approval processes
What's weakest about HeyGen
- Free plan limited to one video — very little room to evaluate fully
- Credit system is opaque — longer videos consume credits unpredictably
- Custom avatar cloning requires Pro plan at $89/mo
- Avatar wardrobe and background customisation limited on Essential
What's weakest about Synthesia
- No free tier — minimum commitment is $29/mo even for evaluation
- Starter plan limited to 10 minutes/month — tight for teams in production
- Avatar movement slightly more formal and less fluid than HeyGen
- Custom avatar creation requires Creator plan or above
Dimension scores
HeyGen is the obvious pick if you value ai avatar videos with lifelike presenters in any language..
Frequently asked questions
Which is better, HeyGen or Synthesia?+
In our tests, HeyGen (4.5/5) edges out Synthesia (4.2/5). HeyGen: AI avatar videos with lifelike presenters in any language.
Does HeyGen have a free plan?+
Yes, HeyGen has a free plan available. Paid plans start at $29/mo.
Does Synthesia have a free plan?+
No, Synthesia is paid-only. Pricing starts at $89/mo.
How does HeyGen differ from Synthesia?+
HeyGen stands out for: Best-in-class video translation feature — accurate lip sync in 100+ languages; Natural avatar movement and facial expressions vs competitors. Synthesia excels at: Largest avatar library in the market — 230+ with strong diversity coverage; Native SCORM and xAPI export for direct LMS integration without conversion.