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Synthesia vs Runway ML

A detailed comparison of Synthesia and Runway ML — features, pricing, pros & cons, and which one is right for you.

Last updated: April 12, 2026
MonthlyAnnual
Synthesia

Synthesia

4.6(1,567 reviews)
Free tierFrom $22/mo
Runway ML

Runway ML

4.4(1,789 reviews)
Free tierFrom $15/mo

Pricing Comparison

PlanSynthesiaRunway ML
Free AI VideoFreeFree
Starter$22/mo$15/mo
CreatorCustom$35/mo
EnterpriseCustom$95/mo
Enterprise—Custom

Feature Comparison

FeatureSynthesiaRunway ML
AI avatars
API access
Collaboration
Custom branding
Free tier
Multi-language
Screen recording
Templates
Text-to-video

Pros & Cons

Synthesia

Synthesia

Pros

  • 160+ AI avatars
  • 120+ languages
  • No video skills needed

Cons

  • Expensive
  • Lip sync imperfect
  • Limited customization
Runway ML

Runway ML

Pros

  • Best text-to-video
  • Gen-3 Alpha model
  • Professional quality

Cons

  • Expensive credits
  • Long generation times
  • Inconsistent results

The Verdict

Overall Winner: Synthesia

Synthesia edges ahead with a 4.6 rating and stronger feature set, though Runway ML remains a solid alternative, especially with its free tier.

Best Value

Runway ML

From $15/mo

Most Features

Synthesia

7 features

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Thinking of switching?

Read our step-by-step migration guide to switch from Synthesia to Runway ML (or vice versa) without losing data.

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