Rask AI vs sync.
A spec-by-spec comparison of Rask AI and sync.: pricing, free tier, clip length, resolution, watermark, commercial use and API access.
| Rask AI | sync. | |
|---|---|---|
| Pricing | Free plan · from $39/mo | Free plan · from $5/mo |
| Free tier | 3 minutes of localization, no credit card | Free trial: 3 generations/month, max 20s each |
| Max clip length | 5 hours per uploaded video | 1 min (Hobbyist) to 30 min (Scale) |
| Max resolution | 4K (sync-3) | |
| Watermark on free plan | ||
| Commercial use | ||
| Developer API | Yes | Yes |
| Open source | No | No |
Rask AI translates and dubs videos into 135+ languages, cloning the original speaker's voice in 32 languages and optionally matching lip movements. It includes a line-by-line editor, glossaries and team review workflows, plus APIs for dubbing, lip-sync and localization. It suits YouTubers, course creators and localization teams.
- Long uploads supported (up to 5 hours)
- Multi-speaker lip-sync and voice cloning
- Annual plans let minutes accumulate and allow extra-minute purchases
- Lip-sync requires Creator Pro ($99/month) or higher
- Entry Creator plan includes only 25 minutes per month
- Voice cloning limited to 32 target languages
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 (Rask AI) and 2026-10-23 (sync.). See each tool page for sources.