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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 logo

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
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Synthesia logo

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
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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

AttributeRunwayMLSynthesia
CategoryVideoVideo
Pricingfreemiumpaid
Pricing DetailFree (limited) / $12/mo Standard / $28/mo Pro / $76/mo Unlimited$18/mo Starter / $89/mo Creator / Enterprise custom
Rating4.64.5

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

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