HeyGen vs Synthesia

A side-by-side breakdown of features, pricing, and compliance for HeyGen and Synthesia.

Pricing

	HeyGen	Synthesia
Starting price	$29/mo	$18/mo
Free tier	Yes	Yes
Pricing model	Tier-based + seats	Credit-based tiers
Enterprise	Available	Available

Features

Feature	HeyGen	Synthesia
API access	Yes	Yes
Real-time processing	Yes	No
Open source	No	No
Team collaboration	Yes	Yes
Plugin support	Yes	Yes
Multi-language support	175	130
Lip sync	Yes	Yes
Voice cloning	Yes	Yes
Video output	Yes	—
subtitleGeneration	Yes	Yes
speakerDetection	Yes	No
avatarGeneration	Yes	Yes
Unlimited revisions	—	Yes

HeyGen Pros

+Industry-leading AI avatar technology
+175+ language support with lip sync
+Real-time streaming avatars for interactive use

HeyGen Cons

−US-based data storage, EU residency not standard
−Credits expire monthly
−Avatar quality varies across languages

Synthesia Pros

+Mature enterprise platform with SOC 2 Type II, ISO 27001, and ISO 42001 certifications
+130+ language support with EU data residency (AWS Frankfurt/Ireland)
+Professional avatar library with custom avatar option and voice cloning

Synthesia Cons

−Primarily avatar-based, not ideal for dubbing existing footage
−Credit-based tiers can get expensive at scale
−Can feel templated for creative use cases

Verdict

Choose HeyGen when you need video translation across the widest language set (175+) and want real-time interactive streaming avatars in the same product.

Choose Synthesia when you build script-to-video content with AI avatar presenters from scratch, with no recorded footage to start from.

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