New Video · October 23 HeyGen releases HeyGen Video, a text-to-video model with sound All AI news

HeyGen vs Synthesia

Both are popular AI tools, but they suit different people. Here is a side-by-side look to help you choose.

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Quick answer

HeyGen is the better pick for creators who want avatar videos and short cinematic AI clips with sound. Synthesia is the better pick for companies producing training and explainer videos at scale.

The short answer

Pick HeyGen

Best for creators who want avatar videos and short cinematic AI clips with sound.

Try HeyGen ↗

Pick Synthesia

Best for companies producing training and explainer videos at scale.

Try Synthesia ↗

Side by side

HeyGenSynthesia
In one lineAI avatars plus HeyGen Video, a text-to-video model with sound.Presenter videos with AI avatars, no camera needed.
Best forcreators who want avatar videos and short cinematic AI clips with soundcompanies producing training and explainer videos at scale
PricingFree plan and playground; Creator $29/month, Pro $49/monthLimited free plan, paid plans for more video minutes
Key features
  • Talking avatars (Avatar III, IV and V)
  • HeyGen Video: text-to-video with sound
  • Styles: live action, anime, claymation, screen print
  • 16:9, 9:16 and 1:1 formats
  • Video translation
  • AI avatars that present your script
  • Many languages and accents
  • Templates for training and marketing
  • Custom avatar option
  • Easy updates without re-filming

HeyGen in short

HeyGen creates talking-avatar videos from a script and, with its HeyGen Video model, short cinematic clips with picture, dialogue and sound effects generated together from a description. A free web playground allows 2 short clips a day; the app adds longer clips, downloads and higher resolution on paid plans.

Synthesia in short

Synthesia creates videos where a realistic AI avatar reads your script, in many languages. Companies use it for training videos, product explainers and internal updates because it removes the need for filming, studios or actors.

Our take

There is no single winner: the right pick depends on what you make. Both tools let you start free or with a trial, so the best move is to test each one on a real project for a day and keep the one that saves you the most time.

Frequently asked questions

Is HeyGen better than Synthesia?

Neither is better for everyone. HeyGen is best for creators who want avatar videos and short cinematic AI clips with sound, while Synthesia is best for companies producing training and explainer videos at scale.

Is HeyGen or Synthesia free?

HeyGen: free plan and playground; Creator $29/month, Pro $49/month. Synthesia: limited free plan, paid plans for more video minutes.

What is the main difference between HeyGen and Synthesia?

HeyGen: AI avatars plus HeyGen Video, a text-to-video model with sound. Synthesia: Presenter videos with AI avatars, no camera needed.

Can I use HeyGen and Synthesia together?

Yes. Many creators use more than one AI tool, picking each for the job it does best. Start with the free options and keep what saves you the most time.

Last updated: October 2026