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AI Tool Comparison
RunwayML vs Synthesia
A side-by-side breakdown to help you pick the right tool for your workflow.
RunwayML
Generate and edit video with Gen-4.5 — or access Kling, Veo 3.1, and Seedance from the same interface. The multi-model video studio used by professional filmmakers.
Video
freemium
Synthesia
Turn a script into a studio-quality talking-avatar video in minutes, with instant AI dubbing into 160+ languages so one video ships across every market at once.
Video
paid
Bottom Line
RunwayML edges ahead on rating (4.6 vs 4.5), but the right pick still comes down to which workflow you're running.
Choose RunwayML if…
Video
Choose Synthesia if…
Video
| Attribute | RunwayML | Synthesia |
|---|---|---|
| Category | Video | Video |
| Pricing | freemium | paid |
| Pricing Detail | Free (limited) / $12/mo Standard / $28/mo Pro / $76/mo Unlimited | $18/mo Starter / $89/mo Creator / Enterprise custom |
| Rating |
Key Features
RunwayML
- Gen-2 Video Generation
- Text to Video
- Image to Video
- Video to Video
- AI Magic Tools for editing
Synthesia
- 150+ AI avatars
- 120+ languages
- Custom avatars
- Video templates
- Screen recording
Pros
RunwayML
- •Cutting edge video generation
- •Browser-based
- •Wide variety of AI tools
- •Constantly shipping new features
Synthesia
- •Great for training and corporate videos
- •Saves huge amounts of time and money
- •High-quality avatars
- •Easy to update videos later
Cons
RunwayML
- Credits get used up quickly
- Video generation can be hit or miss
- Steep learning curve for best results
Synthesia
- Avatars can still look slightly stiff
- Limited movement and gestures
- Pricing can add up for high volume