Key Features
AI Avatars
100+ realistic AI avatars — choose a presenter or create a custom avatar from your own photo.
Text to Video
Type a script and HeyGen generates a talking-head video — no filming or recording needed.
Video Translation
Translate and dub existing videos into 40+ languages — lip-sync matches the translated audio.
Voice Cloning
Clone your own voice — generate videos that sound exactly like you without recording every time.
Templates
100+ professional video templates for marketing, training and social media content.
Personalisation
Generate personalised videos at scale — different names, companies and details in each video.
Pros & Cons
What we like
Most realistic AI avatars available — better than Synthesia on quality
Video translation with lip-sync is genuinely impressive
Voice cloning saves time for repeat video creators
Free plan to evaluate — 3 videos/month
Personalised video generation at scale for sales outreach
100+ avatar options including custom avatar creation
Watch out for
Free plan limited to 3 videos/month
Creator plan at $29/mo needed for commercial use without watermark
Synthesia has more enterprise features and integrations
Occasional uncanny valley effect on complex emotions
Best Alternatives
Synthesia
More enterprise features and integrations — better for L&D at scale
InVideo AI
Better for faceless videos without avatars — stock footage based
Descript
Better for editing real recorded video — HeyGen for synthetic avatar video
Runway
Better for AI-generated cinematic footage
Frequently Asked Questions
HeyGen has a free plan that includes 3 video credits per month — enough to evaluate the platform. The Creator plan at $29/month provides unlimited video generation without watermarks and full access to all features.
HeyGen has more realistic avatars and better video translation/lip-sync technology. Synthesia has stronger enterprise features, more LMS integrations and is more widely used for corporate L&D content. For marketing and social media video, HeyGen's quality is superior. For enterprise training content at scale, Synthesia's integrations are more mature.