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HeyGen vs Synthesia

HeyGen: Talking AI avatars and video translation with lip sync. Synthesia: AI avatar videos for training, onboarding and internal comms. Here is how they compare on features, pricing, platforms, pros and cons.

Quick verdict

HeyGen

Best for: Marketers and trainers making presenter videos without filming.

Stands out for: Realistic avatars; Strong video translation.

Synthesia

Best for: Companies producing training and explainer videos.

Stands out for: Built for business training; Many languages and avatars.

Side-by-side comparison

Comparison of HeyGen, Synthesia
Visit heygen.com (opens in a new tab)Visit synthesia.io (opens in a new tab)
What it isTalking AI avatars and video translation with lip sync.AI avatar videos for training, onboarding and internal comms.
Pricing
Free + Paid
Free + Paid
Free to useYesYes
CategoryAI VideoAI Video
Editor rank#3 in category#4 in category
Made byHeyGenSynthesia
Best forMarketers and trainers making presenter videos without filming.Companies producing training and explainer videos.
Key features
  • Avatar videos from a script
  • Video translation with lip sync
  • Custom avatars
  • Many stock avatars and languages
  • Slides and documents to video
  • Team collaboration
Pros
  • Realistic avatars
  • Strong video translation
  • Built for business training
  • Many languages and avatars
Cons
  • Free plan is very limited
  • Avatar videos can feel stiff
  • Free plan is limited
  • Less suited to creative or casual video
Use it to
  • Create a presenter video from a script
  • Translate a video with lip sync
  • Make a digital avatar of yourself
  • Turn training material into avatar videos
  • Make onboarding videos in many languages
  • Update a video by editing the script
Web app
API

HeyGen vs Synthesia: questions

Is HeyGen better than Synthesia?

Neither wins for everyone. Our editors rank HeyGen slightly higher overall in AI Video, but Synthesia can be the better fit: Companies producing training and explainer videos.

Which is free, HeyGen or Synthesia?

Both can be used without paying: HeyGen is free + paid and Synthesia is free + paid. Paid plans add more usage or features.

Can I use HeyGen and Synthesia together?

Yes. Many people keep both and pick per task, for example create a presenter video from a script with HeyGen, and turn training material into avatar videos with Synthesia.

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