HeyGen vs Synthesia: AI Video Cost

Free allowance: HeyGen Free: 3 videos/month, commercial use: no; Synthesia Basic: 500 credits/month, commercial use: pending.

HeyGen paid-ad rights

HeyGen paid-ad permission is conditional. Paid plans do not restrict commercial use of User Output. Free-plan output may not be used in advertising or other commercial activity as of 2026-10-18.

you own all rights in your User Input or User Output, and does not restrict your ability to use User Output for your own purposes (including for commercial purposes), except in the case of termination as specified below

HeyGen terms · 2026-10-18

User Output generated under a Free Plan may not be sold, sublicensed, redistributed, monetized, or used in connection with commercial activities, advertising, client work, revenue-generating product or any other services.

HeyGen terms · 2026-10-18

Synthesia paid-ad rights

Synthesia paid-ad permission is conditional. Stock avatars are prohibited in promoted, boosted or paid advertising unless Synthesia gives written consent. Custom avatars may be used that way only with the individual's consent as of 2026-10-18.

Incorporating a Stock Avatar in content for "promoted", "boosted", or "paid" advertising on any social media platform or similar media, absent written express consent from Synthesia - in the case of a Custom Avatar, you may do so only with appropriate consent from the individual.

Synthesia acceptable use policy · 2026-10-18

Customer will own all Customer Data, but excluding the components of the Services and Synthesia Content.

Synthesia terms · 2026-10-18

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