
HeyGen
9.1#1 in ai video generatorsFrom $24 a monthFree planAndroidiOSWebAPI
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| Fact | HeyGen | Kling AI |
|---|---|---|
| AI avatars | Yes | Yes |
| API access | Yes | Yes |
| Commercial use | Yes | Yes |
| Free plan | Yes | Yes |
| Headquarters | Los Angeles, California, United States | Singapore |
| Image-to-video | Yes | Users can upload portraits, product photos or illustrations and animate them into videos. |
| Maximum resolution | 4k | 4k |
| Maximum video length | 60 | 15 |
| Paid from | 29 | 10 |
| Text-to-video | Yes | The service turns text prompts into videos, with Kling Video 3.0 advertised for native audio, character consistency and 4K output. |
Avatar and translated video creation; Teams needing shared editing and review; Developers using an API or workflow integrations
Kling AI may suit people who want to generate short videos from text or images, or create AI avatars. Its API access and listed commercial use may be relevant to users integrating video generation into their work.