HeyGen vs Runway
Two video AI tools compared on the facts: what each one does, how it charges, and where their capabilities overlap. We track tools, we don't rate them, so there is no winner declared here. The differences below should make the right pick for your use case obvious.
HeyGen
AI avatar video generator with voice cloning
HeyGen creates videos of AI avatars speaking from a script. It supports stock avatars, custom avatars trained from your own footage, voice cloning, and multi-language translation with lip sync.
Runway
AI creative suite for video generation and editing
Runway is an AI platform for generating and editing video and images. Its current Gen-4 models create video clips from text or image prompts, with an emphasis on keeping characters and scenes consistent across shots. A free plan includes limited credits.
At a glance
| HeyGen | Runway | |
|---|---|---|
| Pricing model | freemium | freemium |
| Website | heygen.com ↗ | runwayml.com ↗ |
| Shared capabilities | text-to-video | |
| Only here | avatar-video voice-cloning video-translation | video-generation video-editing visual-effects image-generation |
Capability tags are factual labels we assign when a tool is added; they describe what a tool does, not how well it does it.
Key features
HeyGen
- Stock and custom AI avatars
- Voice cloning from a short sample
- Video translation with lip sync
- Templates for common video formats
- API for programmatic video generation
Runway
- Gen-4 text-to-video and image-to-video generation
- Gen-4 Turbo for faster iterations
- Consistent characters and scenes across generated shots
- Inpainting, background removal, and image editing tools
- Camera and motion controls for generated clips
What each one does well
HeyGen
- ✓ Turning written scripts into presenter-style videos
- ✓ Localizing an existing video into other languages
- ✓ Producing consistent training or product videos at volume
Runway
- ✓ Generating short video clips from text or image prompts
- ✓ Keeping a character or scene consistent across multiple shots
- ✓ Prototyping video ideas before a full production
Full fact sheets, FAQs, and discussion links: HeyGen · Runway · all video tools