A field-by-field comparison built from our verified directory entries. Differences are highlighted.
Specification comparison between HeyGen and Synthesia
Spec
HeyGen
Synthesia
Category
AI Video Avatar Generation
AI Video Avatar Generation
Pricing model
freemium
freemium
Pricing detail
Free $0/mo (3 videos/mo, up to 1 minute, 1 custom video avatar, 30+ languages). Creator $29/mo. Pro $49/mo. Business $149/mo plus $20 per additional seat. Enterprise custom. API priced separately.
Basic free (1,200 credits/mo, about 10 minutes of video). Starter $18/mo billed yearly or $29/mo billed monthly. Creator $89/mo. Enterprise custom. API access from Creator up — 360 minutes of video per year, deducted from plan limits.
Free tier
Yes
Yes
API
Yes
Yes
Deployment
cloud
cloud
Integrations
—
—
Best for
Marketing video at scale, Localization, Personalized video, Creator content
HeyGen is positioned for Marketing video at scale and documents a public API with a free tier to evaluate. Synthesia is positioned for Corporate training and documents a public API with a free tier to evaluate. If procurement constraints matter most, compare the pricing detail and deployment rows above; if engineering effort matters most, weigh the API and integrations rows.