HeyGen vs Synthesia
Which should you use? A side-by-side look at what each one does, who it suits, what it costs, how hard it is to set up, and where each falls short.
AI tool · Freemium
An AI avatar video platform for presenter-style videos, translation and lip-synced dubbing.
AI tool · Freemium
An AI video platform for creating presenter-led training and corporate videos from scripts, in many languages.
Our verdict
HeyGen and Synthesia both make presenter-style AI avatar videos, so they overlap heavily. HeyGen stands out for video translation with lip-synced dubbing, interactive avatars, and API access, making it a fit for teams localizing existing videos or building avatar features into other tools. Synthesia is built around script-to-avatar training and corporate videos with brand kits, templates, and team collaboration, which suits business teams making many multilingual explainers. Neither page has hands-on testing yet, so check current pricing and features directly.
Pick HeyGen if you need to translate or dub existing videos with lip sync, want interactive avatars, or need API access.
Pick Synthesia if you want to turn scripts into training or corporate videos with brand kits and shared team workspaces.
| Key difference | HeyGen | Synthesia |
|---|---|---|
| Best at | Video translation with lip-synced dubbing and interactive avatars | Script-to-avatar training and corporate videos in many languages |
| Team features | Not listed among its strengths | Team collaboration and brand kits with templates |
| Integrations | Works with Zapier and Canva; API access on web, iOS, and API | Works with PowerPoint and Zapier; web and API platforms |
| Price | Freemium | Freemium |
| Caveat | Avatars can feel uncanny; using someone's likeness needs their consent | Creative flexibility is limited compared with general video generators |
Written with AI from both products' catalogue entries · updated 2026-10-29
Who each one is for
Choose HeyGen if you need…
- Training and explainer videos with avatars
- Video translation
Choose Synthesia if you need…
- Corporate training videos
- Multilingual explainers
Side-by-side
| HeyGen | Synthesia | |
|---|---|---|
| Type | Video · AI avatars | Video · AI avatars |
| Price | Freemium | Freemium |
| Platforms | Web, iOS, API | Web, API |
| Works with | Zapier, Canva | PowerPoint, Zapier |
| Hands-on tested by us | Not yet | Not yet |
| Last checked | 2026-10-29 | 2026-10-29 |
What each one is
HeyGen
An AI avatar video platform for presenter-style videos, translation and lip-synced dubbing. Fast for talking-head content at scale. Avatars can feel uncanny, and using anyone's likeness needs their consent.
Synthesia
An AI video platform for creating presenter-led training and corporate videos from scripts, in many languages. Built for business use with team features. Creative flexibility is limited compared with general video generators.
Best for
HeyGen
- Training and explainer videos with avatars
- Video translation
Synthesia
- Corporate training videos
- Multilingual explainers
Strengths
HeyGen
- Stock and custom avatars
- Video translation with lip sync
- Interactive avatars
- API access
Synthesia
- Script-to-avatar video
- Many languages and voices
- Brand kits and templates
- Team collaboration
Frequently asked questions
Should I use HeyGen or Synthesia?
HeyGen and Synthesia both make presenter-style AI avatar videos, so they overlap heavily. HeyGen stands out for video translation with lip-synced dubbing, interactive avatars, and API access, making it a fit for teams localizing existing videos or building avatar features into other tools. Synthesia is built around script-to-avatar training and corporate videos with brand kits, templates, and team collaboration, which suits business teams making many multilingual explainers. Neither page has hands-on testing yet, so check current pricing and features directly. Pick HeyGen if you need to translate or dub existing videos with lip sync, want interactive avatars, or need API access. Pick Synthesia if you want to turn scripts into training or corporate videos with brand kits and shared team workspaces.
What is the difference between HeyGen and Synthesia?
HeyGen: An AI avatar video platform for presenter-style videos, translation and lip-synced dubbing. Synthesia: An AI video platform for creating presenter-led training and corporate videos from scripts, in many languages. HeyGen suits training and explainer videos with avatars, while Synthesia suits corporate training videos.
Are HeyGen and Synthesia free?
HeyGen: Freemium. Synthesia: Freemium.
What are other alternatives to HeyGen and Synthesia?
Other options people compare them with include D-ID, Hedra, Argil, Colossyan, Elai.io.
Keep comparing
Built from our catalogue entries for both products: open-source details come from each project's README (AI-assisted, refreshed weekly) and GitHub data; AI-tool details are editorial. Spotted something wrong? Let us know from either product's page.