Runway vs Synthesia
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.
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.
Synthesia
Generate AI videos from text using customizable avatars
Synthesia is an AI video platform that turns text scripts into videos presented by AI avatars. It supports narration in over 120 languages and requires no camera or microphone.
At a glance
| Runway | Synthesia | |
|---|---|---|
| Pricing model | freemium | paid |
| Website | runwayml.com ↗ | synthesia.io ↗ |
| Shared capabilities | text-to-video | |
| Only here | video-generation video-editing visual-effects image-generation | avatar-video video-translation voice-cloning |
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
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
Synthesia
- AI avatar creation
- Text-to-speech narration in multiple languages
- Customizable video templates
- Screen recording integration
- Brand kit customization
What each one does well
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
Synthesia
- ✓ Creating training and e-learning videos
- ✓ Generating marketing and sales content
- ✓ Producing corporate communications and explainers
Full fact sheets, FAQs, and discussion links: Runway · Synthesia · all video tools