HeyGen vs sync.
A spec-by-spec comparison of HeyGen and sync.: pricing, free tier, clip length, resolution, watermark, commercial use and API access.
Key differences
- sync. is cheaper to start: $5/month vs $29/month for HeyGen.
- Free tier: HeyGen — 3 watermarked videos/month, up to 1 min each; sync. — Free trial: 3 generations/month, max 20s each.
- Max length: HeyGen — 30 min (Creator/Pro), 60 min (Business), no limit on Enterprise; sync. — 1 min (Hobbyist) to 30 min (Scale).
- Max resolution: HeyGen — 4K (Pro and above); sync. — 4K (sync-3).
- HeyGen is strongest at ai avatars; sync. at lip sync.
| HeyGen | sync. | |
|---|---|---|
| Pricing | Free plan · from $29/mo | Free plan · from $5/mo |
| Free tier | 3 watermarked videos/month, up to 1 min each | Free trial: 3 generations/month, max 20s each |
| Max clip length | 30 min (Creator/Pro), 60 min (Business), no limit on Enterprise | 1 min (Hobbyist) to 30 min (Scale) |
| Max resolution | 4K (Pro and above) | 4K (sync-3) |
| Watermark on free plan | Yes | |
| Commercial use | Paid plans | |
| Developer API | Yes | Yes |
| Open source | No | No |
HeyGen turns a typed script into a presenter-led video using stock or custom AI avatars, and can translate and lip-sync existing footage into 175+ languages and dialects. It runs on a shared credit system across its avatar engines (Avatar III/IV/V), its Video Agent, and bundled third-party generators. It suits marketers, creators and L&D teams who want spokesperson videos without filming.
- Free plan includes Avatar IV access and one custom video avatar
- 4K export and 30-minute videos from the $49 Pro plan
- Translation covers 175+ languages and dialects on paid plans
- Free videos capped at 1 minute and watermarked
- Creator plan exports top out at 1080p
- API usage is billed separately from plan credits
sync. (Sync Labs) builds lip-sync models that re-time a speaker's mouth to new audio in existing footage, available through a web studio and a developer API with SDKs. Its sync-3 model outputs native 4K and handles obstructions and extreme angles. It suits dubbing studios, post-production teams and developers adding lip-sync to products.
- Native 4K output with the sync-3 model
- API and SDKs available from the $5 Hobbyist plan
- Pay-per-second usage with discounts up to 20% on higher tiers
- Subscriptions add per-second usage fees (about $0.04-0.133/sec)
- Watermark removal starts at the $19 Creator plan
- Hobbyist clips capped at 1 minute
Specs last verified 2026-10-23 (HeyGen) and 2026-10-23 (sync.). See each tool page for sources.