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HeyGen vs Synthesia

Two fact sheets from our own research, side by side — pricing, platforms, API access and status re-checked by us rather than quoted from the vendors. HeyGen starts at $24, Synthesia at $18. Both have a free tier. Both ship a public API.

Side by side

FactHeyGenSynthesia
CategoryAI Avatars & Talking HeadsAI Avatars & Talking Heads
Pricing modelFreemiumFreemium
Starts at$24 month$18 month
Public APIYesYes
PlatformsWeb, APIWeb, API
CompanyHeyGenSynthesia Ltd
Launched20202017
Last verifiedSep 6, 2026Sep 6, 2026

What our research says

HeyGen

The strongest avatar fidelity on the market right now, but the credit arithmetic decides whether it is affordable, not the sticker price.

Pros

  • Avatar and lip-sync quality is ahead of most competitors at the price
  • Free plan lets you judge output quality before paying anything
  • Video translation covers a wide language list with synchronised lips
  • Credits roll over for a month rather than expiring at the billing date

Cons

  • Newer avatar models cost roughly seven times the credits of the older ones
  • Free tier is watermarked and capped at three one-minute videos
  • Business tier stacks a $20 per-seat charge on top of a $149 base
  • Custom avatars and the better models are gated behind higher tiers

Synthesia

The safe institutional choice for training video at scale — SCORM export and review workflows are what you are paying for, not the avatars themselves.

Pros

  • SCORM export and review workflows fit corporate training pipelines properly
  • A free Basic tier now exists, so the output can be tested before committing
  • Annual billing cuts the Starter seat from $29 to $18
  • Multi-language voiceover and dubbing are built in rather than bolted on

Cons

  • Paid credits are allocated per year, so a busy month can exhaust the budget
  • Avatar expressiveness trails HeyGen at comparable prices
  • Starter's roughly 120 minutes a year is thin for real course production
  • Unlimited minutes and the useful admin controls sit behind quote-only Enterprise

Which one fits

Choose HeyGen if you need

  • Marketing and product teams shipping talking-head video without a studio
  • Localising existing footage into other languages with matched lip movement
  • Creators who want a cloned avatar for repeatable short-form output

Choose Synthesia if you need

  • Learning and development teams producing course video in many languages
  • Internal communications needing brand kits and an approval step
  • Organisations that have to export finished video into an LMS via SCORM

All HeyGen alternatives →All Synthesia alternatives →Browse all AI Avatars & Talking Heads