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Synthesia vs HeyGen: catalog facts
Synthesia	HeyGen
Freemium Free to start without a credit card, with paid and enterprise plans.	Freemium Free to start, with paid plans and sales-based options for companies.
Web	Web
Avatar videos from a script without cameras or presenters Voiceovers and translation in more than 160 languages	Personal avatars trained from a single recording Multiple camera angles from one avatar
Geared toward business and training content rather than creative video Runs only in the browser and needs an account	Hosted service; videos are produced on HeyGen's servers Some options are only offered through sales
Web application	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 23, 2026	Official website Full listing and sources Checked September 26, 2026

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