Synthesia vs. HeyGen
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.
HeyGen
AI video platform with Avatar IV, Video Agent API and Voice Doctor
Visual Fidelity88 %
Motion Coherence88 %
Pricing / Value93 %
API & Integration96 %
Lip Sync Quality95 %
Rendering Speed90 %
toolzoo.io
TEST RESULT
GREAT (2.1)
88 of 100
Stand 03/2026
Feature
Overview
Overview
Score
90%
88%
Founded
2017
2020
Headquarters
London, UK
Los Angeles, USA
Free Tier
Yes
Yes
Starting Price
$18/mo
$24/mo
Pricing Model
SUBSCRIPTION
SUBSCRIPTION
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
Avatar IV (full-body, micro-expressions)
💰 Pricing Plans
💰 Pricing Plans
Free Plan
Free (3 min/month, 9 avatars, watermark)
Free (3 videos/month, 720p, Avatar IV limited)
Pro Plan
—
$99/mo — 4K, 10x gen credits, Video Agent, early access
Enterprise Plan
Custom — Unlimited, 350+ avatars, SSO, SCORM, brand kit
Custom — Unlimited, dedicated support, SSO
📱 Platform Availability
📱 Platform Availability
Web App
Yes
Yes
Mobile App (iOS/Android)
No
Yes
API Available
Yes
Yes
🎨 Image Generation
🎨 Image Generation
Max Resolution
1080p
4K
🎬 Video Generation
🎬 Video Generation
Text → Video
Yes
Yes
Image → Video
No
No
Video → Video
No
Yes
Max Duration (seconds)
60 min per video
60 min per video
Lip Sync
Yes
Yes
Camera Motion Control
No
No
🎙️ Voice & Speech
🎙️ Voice & Speech
Languages Supported
150+
175+
📋 Rights & Licensing
📋 Rights & Licensing
Commercial License
Yes
Yes
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