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sync. vs HeyGen: catalog facts
sync.	HeyGen
Paid Paid plans are listed on the pricing page, with sales contact for larger projects.	Freemium Free to start, with paid plans and sales-based options for companies.
Web	Web
Handles multiple faces, occlusion and fast camera movement Web studio, API, Premiere and ComfyUI plugins	Personal avatars trained from a single recording Multiple camera angles from one avatar
Cloud-only service Aimed mainly at professional production budgets	Hosted service; videos are produced on HeyGen's servers Some options are only offered through sales
Web application, Hosted service	Web application, Hosted service
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 26, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.