| Feature | Synthesia | HeyGen |
|---|---|---|
| Best For | Corporate training videos | Personalized video at scale |
| Free Plan | ✔ | ✔ |
| Paid Plan Starts At | Starter $29 / Creator $89 per month | Creator $29 per month |
| Context Window | — | — |
| Multimodal Input | ✔ | ✔ |
| Web Search | — | — |
| Open Source | — | — |
| Rating | ★ 4.6 | ★ 4.5 |
| Platforms | Web App, API | Web App, API |
Quick verdicts
Synthesia: For training and enablement content, Synthesia replaces studio shoots outright - the best avatar video platform in 2026.
HeyGen: Choose HeyGen over Synthesia for personalized marketing video and translation scale - the cloning and API are the differentiators.