Synthesia vs. Runway Gen-3 Alpha
Which ai video generation tool is better? Comprehensive side-by-side analysis.
Comparison Winner
Synthesia
AI avatar video platform with Video Agents and Express-2 avatars — $4B valuation
Visual Fidelity90 %
Motion Coherence90 %
Pricing / Value95 %
API & Integration98 %
Lip Sync Quality97 %
Rendering Speed92 %
toolzoo.io
TEST RESULT
EXCELLENT (1.4)
90 of 100
Stand 03/2026
vs.
Runway Gen-3 Alpha
Professional AI video for creatives
Visual Fidelity85 %
Motion Coherence89 %
Pricing / Value90 %
API & Integration93 %
Lip Sync Quality75 %
Rendering Speed87 %
toolzoo.io
TEST RESULT
GREAT (2.2)
85 of 100
Stand 03/2026
Feature
Overview
Overview
Score
90%
85%
Founded
2017
2018
Headquarters
London, UK
New York, USA
Free Tier
Yes
Yes
Starting Price
$18/mo
$12/mo
Pricing Model
SUBSCRIPTION
CREDITS
GDPR & Privacy
GDPR & Privacy
GDPR Compliant
Yes
No
Server Location
EU
US
EU Server Available
Yes
No
Model & Performance
Model & Performance
Latest Model
Synthesia 3.0 + Expressive Model 4.0
—
💰 Pricing Plans
💰 Pricing Plans
Free Plan
Free (3 min/month, 9 avatars, watermark)
—
Enterprise Plan
Custom — Unlimited, 350+ avatars, SSO, SCORM, brand kit
—
📱 Platform Availability
📱 Platform Availability
Web App
Yes
—
Mobile App (iOS/Android)
No
—
API Available
Yes
Yes
🎨 Image Generation
🎨 Image Generation
Max Resolution
1080p
1080p
🎬 Video Generation
🎬 Video Generation
Text → Video
Yes
Yes
Image → Video
No
Yes
Video → Video
No
Yes
Max Duration (seconds)
60 min per video
10
Video Extension
—
Yes
Auto Sound Generation
—
Yes
Lip Sync
Yes
—
Camera Motion Control
No
Yes
Motion Brush
—
Yes
In-App Video Editor
—
Yes
🎙️ Voice & Speech
🎙️ Voice & Speech
Languages Supported
150+
—
📋 Rights & Licensing
📋 Rights & Licensing
Commercial License
Yes
—
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