Turn a script into a video presented by a digital avatar — useful for explainers, training and multilingual content.
Quick answer
AI avatar generators turn a script into a video presented by a digital person. Synthesia suits training and corporate videos, HeyGen video translation with lip-sync and personal avatars, and D-ID animating a photo through an API.
AI avatar videos from a script
Synthesia creates presenter-style videos from text using AI avatars and voices in many languages, widely used for training, onboarding and explainer content.
Best for: Training, onboarding and corporate explainers
AI avatars and video translation
HeyGen generates talking-avatar videos from scripts, lets you create a digital twin of yourself and translates videos into other languages with lip-sync.
Best for: Creators and marketers localising videos into other languages
Talking-head videos from a photo
D-ID animates a still photo into a talking avatar driven by text or audio, and offers APIs for interactive agents and personalised video at scale.
Best for: Developers and marketers who need avatar video via API
| Feature | SSynthesia | HHeyGen | DID-ID |
|---|---|---|---|
| Best for | Training, onboarding and corporate explainers | Creators and marketers localising videos into other languages | Developers and marketers who need avatar video via API |
| Editorial rating | |||
| Pricing | Freemium | Freemium | Free trial |
| Free plan | Not verified | Yes | Not verified |
| Free trial | Not verified | Not verified | Not verified |
| API | Yes | Yes | Yes |
| Platforms | Web | Web, iOS | Web |
| Visit Synthesia | Visit HeyGen | Visit D-ID |
Compare how natural the avatars look in your language, how many video minutes each plan includes and whether you can create a custom avatar. Creating a digital twin of a real person requires their consent, and viewers should be told when a video uses an AI avatar.
Tell us what you create and we'll narrow it down to a short list you can compare side by side.