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Synthesia vs Runway

Head-to-head comparison — updated April 2026

Synthesia

Synthesia

AI video generation with avatars

Free plan$29/mo4.7Higher rated
Try Synthesia
VS
Runway

Runway

AI-powered creative video tools

Free plan$15/mo4.4Cheaper
Try Runway

Our Verdict

Choose Synthesia for presenter-focused content and multilingual needs; choose Runway for advanced video editing, effects, and creative video generation at a lower entry price.

Why Synthesia?

230 AI avatars for diverse representation
Supports 140 languages for global reach
65 pre-built templates for faster production
Higher user rating (4.7/5)

Why Runway?

Lower starting price ($15/mo vs $29/mo)
Gen-2 video generation for advanced synthesis
Motion Brush and Green Screen tools for editing
Image-to-video conversion capability

Feature Comparison

FeatureSynthesiaRunway
languages140
templates65
ai avatars230
api access
custom avatars
gen2 video
green screen
motion brush
image to video

Synthesia Pricing

Free/mo
Paid from $29/mo
Full review →

Runway Pricing

Free/mo
Paid from $15/mo
Full review →

Which Should You Choose?

Both Synthesia and Runway are strong tools in the AI video space. Synthesia has higher user ratings overall. Choose Synthesia if you value languages and templates. Choose Runway if you want to start free.