Choosing between Runway and Synthesia for your agency? Both are popular choices. Runway starts at Free / $12+/mo and is best known as AI video generation and editing for ad creative. Synthesia starts at $18+/mo and is Enterprise AI video with avatars and templates. Below is a side-by-side breakdown of features, pricing, pros, and cons to help you decide which fits your agency's workflow and budget in 2026.
Rw
Runway
AI video generation and editing for ad creative.
Free / $12+/mo
👍 Pros
- Cutting-edge AI video
- Fast ad-creative variations
- Green screen & inpainting
👎 Cons
- Credits burn quickly
- Output still needs curation
Sy
Synthesia
Enterprise AI video with avatars and templates.
$18+/mo
👍 Pros
- Polished enterprise output
- Many avatars & languages
- Brand templates
👎 Cons
- Pricier for volume
- Less creative control