Head-to-head comparison
HeyGen vs Synthesia, comparison 2026
HeyGen
8.5/10
HeyGen Inc.
AI talking-head avatars with native lip-sync in 175+ languages — ideal for training and B2C marketing.
Synthesia
8.3/10
Synthesia
Enterprise B2B AI avatars in 140+ languages — the Fortune 500 choice for training and compliance.
TL;DR, key differences
| Attribute | HeyGen | Synthesia |
|---|---|---|
| Starting price | $29/mo | $29/mo |
| Pro / higher plan | $89/mo | $67/mo |
| English prompts | yes | yes |
| Native audio | yes | yes |
| Image-to-video | no | no |
| Max clip length | n/a | 9s |
| Availability | worldwide | worldwide |
| Rating (our tests) | 8.5/10 | 8.3/10 |
Strengths
HeyGen, pros
- +Very natural lip-sync in 175+ languages
- +Instant avatar from a 2-minute webcam recording
- +175+ languages with native pronunciation
- +Translation Studio — dub existing videos while keeping the speaker's face
- +Integrations with Canva, Notion, and Zapier
Synthesia, pros
- +230+ studio stock avatars (best quality in the market)
- +140+ languages with native voice (full English support)
- +SOC 2 Type II, GDPR, ISO 27001 (enterprise-ready)
- +Screen recording + avatar in one video (great for tutorials)
- +AI Script Assistant helps write scripts from a brief
Weaknesses
HeyGen, cons
- −No scene generation (talking-head only)
- −Creator plan $29/mo can feel expensive for hobbyists
- −Custom avatar studio requires 5-10 min of source footage
- −Body animation limited (mostly bust shots)
- −Free plan: only 3 minutes/month with watermark
Synthesia, cons
- −Most expensive in its segment (Starter $29/mo, Enterprise from $1,000+/mo)
- −Free trial limited to 3 minutes, no custom avatar
- −Custom avatar requires a London studio session or $1,000+
- −No scene generation (talking-head + screen only)
- −Somewhat stiff body movement vs HeyGen instant avatar
When to choose which tool
Choose HeyGen if
- →Corporate training and onboarding
- →YouTube talking-head without a camera
- →Video localization into 175+ markets
- →Ads with an AI presenter
- →Personalized outreach videos (sales)
Choose Synthesia if
- →HR and compliance training (OSHA, GDPR)
- →Employee onboarding across 10+ markets
- →Product tutorial videos with screen recording
- →Internal corporate communications
- →Content marketing localization into 140+ languages
Verdict
In our tests, HeyGen (8.5/10) outscores Synthesia (8.3/10) in overall quality. Choose HeyGen if you need: Corporate training and onboarding, YouTube talking-head without a camera. Choose Synthesia if you need: HR and compliance training (OSHA, GDPR), Employee onboarding across 10+ markets.