HeyGen vs Synthesia
HeyGen and Synthesia are both video AI tools, tracked here on price, platforms, integrations, and capabilities. Every figure below is read from the vendor's own pages and dated. No score and no winner: the facts do the picking.
Cheapest paid tier each vendor publishes. Free plans are listed above; tiers priced on request are not plotted because there is no figure to plot.
HeyGen
AI avatar video generator with voice cloning
HeyGen creates videos of AI avatars speaking from a script. It supports stock avatars, custom avatars trained from your own footage, voice cloning, and multi-language translation with lip sync.
Synthesia
Generate AI videos from text using customizable avatars
Synthesia is an AI video platform that turns text scripts into videos presented by AI avatars. It supports narration in over 160 languages and requires no camera or microphone.
At a glance
Capability tags are factual labels we assign when a tool is added; they describe what a tool does, not how well it does it.
Checked against the vendors. Written from each vendor's own site and last re-checked there: HeyGen on August 31, 2026 · Synthesia on September 3, 2026. Vendors change pricing and features without notice, so confirm anything that decides your purchase on the vendor's page.
Also in video
A tool we have an affiliate relationship with. It is not part of the comparison above and we are not calling it the better pick.

- Turning product documentation into feature walkthroughs
- Creating multi-language video localization and translation
- Automating social media video content and product launches
Key features
HeyGen
- Stock and custom AI avatars
- Voice cloning from a short sample
- Video translation with lip sync
- Templates for common video formats
- API for programmatic video generation
Synthesia
- AI avatar creation
- Text-to-speech narration in multiple languages
- Customizable video templates
- Screen recording integration
- Brand kit customization
What each one does well
HeyGen
- ✓ Turning written scripts into presenter-style videos
- ✓ Localizing an existing video into other languages
- ✓ Producing consistent training or product videos at volume
Synthesia
- ✓ Creating training and e-learning videos
- ✓ Generating marketing and sales content
- ✓ Producing corporate communications and explainers
People also ask
Which is cheaper, HeyGen or Synthesia?
Neither. HeyGen and Synthesia both start at $29/mo.
Does HeyGen or Synthesia have a free plan?
Both. HeyGen and Synthesia each publish a free plan.
How much do HeyGen and Synthesia cost?
HeyGen: free plan, then $29/mo. Synthesia: free plan, then $29/mo.
Answers are generated from the tracked plans and capability tags shown above, so they move when the vendors' pages do.
Full fact sheets, FAQs, and discussion links: HeyGen · Synthesia · all video tools