AI Tools comparison · 2026
HeyGen vs Synthesia (2026 Comparison)
Side-by-side: pricing, features, pros, cons, and our editorial winner for ai tools.
Winner summary
HeyGen vs Synthesia: how they differ
We have not scored HeyGen against our rubric yet, so we are not naming an overall winner here. The dimensions below are still directly comparable.
Cheaper
Tie
Higher rated
Not compared
Better free tier
Tie
HeyGen
AI avatar and voice-clone video with a free monthly allowance
Not yet scored
$29/mo
Synthesia
AI avatar video from a script, in 160+ languages
Not yet scored
$29/mo
Feature comparison
| Dimension | HeyGen | Synthesia |
|---|---|---|
| Starting price | $29/mo | $29/mo |
| Free trial | Free plan (3 videos/mo, 1 min each) | Free plan (10 min video/mo, no card) |
| Best for | Short-form and social video with a cloned presenter | Training and internal comms video without a camera |
| Badge | — | — |
HeyGen key features
- 500+ stock avatars, 1 custom avatar on free
- Voice cloning from Creator
- 1080p export on Creator, 4K on Pro
- 175+ languages and dialects
- SAML/SSO on Business
Synthesia key features
- 9 avatars and 160+ languages on the free plan
- 125+ avatars from Starter
- AI dubbing, 48 min/mo on Starter
- 5 personal avatars on Creator
- API access on Creator
HeyGen — pros & cons
Pros
- Free tier includes a custom avatar, which is unusual
- 4K export at $49 undercuts most rivals
- Videos up to 30 minutes from Creator up
Cons
- Free videos are capped at 1 minute
- Credit-based, so heavy months cost more than the headline
Synthesia — pros & cons
Pros
- Free plan gives 10 real minutes a month, not a watermarked demo
- Language coverage is the widest in the category
- Annual billing drops Starter to $18/mo
Cons
- Logo removal requires the paid tier
- Personal avatars are Creator-tier only ($89/mo)
When to pick which
Choose HeyGen if…
- Social and short-form video
- Sales outreach video
- Multi-language product demos
Choose Synthesia if…
- Employee training video
- Product explainers
- Localised marketing video