Synthesia

160+ languages/voices with 240+ stock AI avatars on top tier

What Synthesia does

  • 160+ languages/voices with 240+ stock AI avatars on top tier
  • Personal avatar cloning from a few minutes of footage
  • Interactive video and SCORM-style features for enterprise L&D

Synthesia — straight answers

What is Synthesia?

Synthesia is listed under AI Video Generation, in the Content & Media Generation category on Flocci AI Tools. 160+ languages/voices with 240+ stock AI avatars on top tier. It is freemium — a usable free tier with paid plans above it, and it lives at synthesia.io.

Is Synthesia free?

Synthesia is freemium: there is a free tier you can work in and paid plans above it. It is one of 391 freemium tools in the catalog, all labelled the same way so you are never surprised by a paywall.

What can Synthesia do?

Synthesia does 3 things the catalog singles out: 160+ languages/voices with 240+ stock ai avatars on top tier; personal avatar cloning from a few minutes of footage; interactive video and scorm-style features for enterprise l&d.

What is the best free alternative to Synthesia?

Genmo (Mochi 1) is the closest free alternative: it sits in the same AI Video Generation sub-category and is free. Colossyan, Creatify and D-ID also start free. The full list is on the alternatives page.

See the full list →

Synthesia alternatives

Compare all alternatives →

Google Veo (Flow)

AI Video Generation
freemium
  • Veo 3.1 is the strongest all-round generator
  • Native synchronized audio and dialogue
  • Up to 4K, strong prompt adherence
  • Free credits via the Gemini app

Runway

AI Video Generation
freemium
  • Gen-4.5 with fine camera and motion control
  • Generative editing and VFX tools
  • Act-One performance capture
  • Free trial credits

Kling AI

AI Video Generation
freemium
  • Kling 3.0 excels at high-motion, physical scenes
  • Longer clips with storyboard flow
  • Elements to lock characters and props
  • Free daily credits

Hailuo AI (MiniMax)

AI Video Generation
freemium
  • The most generous free AI video tier
  • Realistic motion and camera moves
  • Daily free credits + signup bonus
  • Fast, usable clips without paying

Luma Dream Machine

AI Video Generation
freemium
  • Fast, fluid text- and image-to-video
  • Ray-series models with strong motion
  • Keyframes and looping
  • Free tier (watermarked)

Pika

AI Video Generation
freemium
  • Playful video with 'Pikaffects'
  • Great for short social clips
  • Add/replace objects in scenes
  • Free credits to start

Head-to-head comparisons