HeyGen vs Synthesia
HeyGen is an AI video platform for presenter videos with AI avatars and translation; Synthesia is an AI video platform for avatar videos and dubbing, aimed at companies. Synthesia is cheaper to start: Synthesia Starter costs USD 19 a month, HeyGen Creator USD 29 a month.
Choose HeyGen for presenter-style training, sales and translated videos with a digital person, and Synthesia for companies that produce training and explainer videos with avatars. If you need presentations, websites and web apps as well, Siteglade, an autonomous AI agent with its own computer in the cloud, is a third option.
Siteglade publishes this comparison. Every statement about another product links to that product's own page, checked on October 27, 2026.
HeyGen and Synthesia side by side
This page does not rank the two. Every cell restates the product's own pages; "Not listed" means its pricing page does not mention it.
| HeyGen | Synthesia | Siteglade | |
|---|---|---|---|
| Paid plans | Creator USD 29 a month; Pro USD 49 a month; Business USD 149 a month | Starter USD 19 a month | Pro USD 14.99, Plus USD 34.99, Max USD 69.99 a month |
| Free plan | A Free plan with one custom video avatar and 500+ ready-made presenters | A Basic plan with 500 credits a month, enough for 10 minutes of video or dubbing | Free plan with 1,500 credits a month and 3 projects |
| Videos | Yes | Yes | Yes |
HeyGen or Synthesia: the differences that decide
HeyGen and Synthesia are both AI video tools, so they compete for the same job. Both HeyGen and Synthesia list videos and avatar videos. Both can be tried for free: HeyGen offers a Free plan with one custom video avatar and 500+ ready-made presenters, Synthesia a Basic plan with 500 credits a month, enough for 10 minutes of video or dubbing.
Pricing: HeyGen vs Synthesia
HeyGen's paid plans: Creator USD 29 a month (600 credits); Pro USD 49 a month (1,000 credits) and Business USD 149 a month. HeyGen centers on presenters, avatars, voices and translation, from USD 29 a month for Creator with 600 credits.
Synthesia's paid plans: Starter USD 19 a month (1,250 credits a month). Synthesia is made for company videos with avatars and dubbing, and its credits are one pool for video, dubbing and survey responses.
Credits are counted differently by each product, so run one real task in both before you decide.
Where HeyGen is stronger
Videos export in 1080p from Creator. Creator includes a custom video avatar with your own voice and likeness and 175+ languages and dialects.
Where Synthesia is stronger
The first 10 minutes of video are included on every plan. Credits are one shared pool for video creation, dubbing and other AI features.
A third option: Siteglade
Neither HeyGen nor Synthesia lists presentations, websites, web apps and mobile apps on its pricing page. Siteglade does. Presentations are researched, written and designed with charts and images, and download as PowerPoint or PDF with a list of the sources.
Where Synthesia makes avatar videos for companies, Siteglade makes narrated short and long videos and edits them on a timeline. Tasks are processed in the EU on every plan, including Free.
Frequently asked questions
Is HeyGen better than Synthesia?
Neither is better for everything. HeyGen suits presenter-style training, sales and translated videos with a digital person; Synthesia suits companies that produce training and explainer videos with avatars.
Which is cheaper, HeyGen or Synthesia?
Synthesia is cheaper to start: Synthesia Starter costs USD 19 a month, HeyGen Creator USD 29 a month.
Is there an alternative to both HeyGen and Synthesia?
Siteglade, an autonomous AI agent with its own computer in the cloud. It delivers presentations, websites, web apps and mobile apps as well, with a Free plan with 1,500 credits a month and 3 projects.