What is the difference between Synthesia and Runway?

Synthesia focuses on AI avatars and is paid, while Runway specializes in Text-to-video and is freemium. Both are AI Video tools.

Is Synthesia or Runway better?

It depends on your needs. Synthesia excels at Realistic avatars, while Runway is known for Best video quality. Compare their features above to decide which fits your workflow.

Synthesia vs Runway

AI Video tools comparison · Updated 2026

Choosing between Synthesia and Runway? Both are popular AI Video tools. Synthesia starts at From $29/mo and focuses on AI avatars. Runway starts at Freemium and specializes in Text-to-video. Here's a detailed side-by-side comparison to help you decide.

At a Glance

	Synthesia	Runway
Category	AI Video	AI Video
Pricing	paid	freemium
Starting Price	From $29/mo	Freemium
Best For	video-generation, avatars, enterprise	video-generation, video-editing, creative
Features	7 listed	7 listed

Synthesia

AI avatar video platform for training, marketing, and corporate communications.

AI Video paid

Visit Synthesia → Alternatives

Runway

AI video generation and editing platform with Gen-3 Alpha text-to-video.

AI Video freemium

Visit Runway → Alternatives

Feature Comparison

Synthesia	Runway
✓ AI avatars	✓ Text-to-video
✓ 130+ languages	✓ Image-to-video
✓ Custom avatars	✓ Video editing
✓ Screen recording	✓ Background removal
✓ Templates	✓ Motion tracking
✓ Brand kit	✓ Style transfer
✓ API access	✓ Gen-3 Alpha

Pricing Comparison

Synthesia

paid

Starting at $29/mo

Starter at $29/mo (10 min/mo). Creator at $89/mo (30 min/mo). Enterprise custom.

Runway

freemium

Free tier with 125 credits. Standard $15/mo. Pro $35/mo. Unlimited $95/mo.

Pros & Cons

Synthesia

Pros

+ Realistic avatars
+ No filming needed
+ Many languages
+ Enterprise-grade

Cons

− Avatars can feel uncanny
− Limited creative flexibility
− Expensive at scale

Runway

Pros

+ Best video quality
+ Comprehensive editing suite
+ Active development
+ Web-based

Cons

− Credits run out fast
− Expensive for heavy use
− Short clip length limits

The Verdict

Both Synthesia and Runway are strong AI Video tools. Synthesia stands out for Realistic avatars, making it ideal if that's your priority. Runway excels at Best video quality, which may be more important for your workflow. Price-wise, Synthesia is paid while Runway is freemium, so budget may also factor in.