HeyGen AI
The one you're replacing FreemiumMarketing teams, trainers, and small businesses use HeyGen to make presenter videos without booking a studio or camera crew. It is particularly useful for producing localized versions with translated speech and matched lip movement.
HeyGen is pretty convenient for making talking-head videos without filming anything, but I feel like the results start looking repetitive after a while. The lip-sync is usually decent, though the facial expressions can feel a little stiff. I've been looking into Synthesia and other options to see if they offer more natural-looking avatars, especially for longer videos.
HeyGen has been convenient for creating presenter-style videos quickly, and the avatars have improved a lot. Where I still struggle is making longer videos feel natural rather than obviously AI-generated. I’ve started comparing Synthesia and Captions for projects where voice delivery and realistic expressions matter more.