Automate Basics

Synthesia vs HeyGen

Pick up to 4 tools and see their free plans, entry prices, platforms and limits in one table. Every fact comes from each vendor's own pages, checked 23 September 2026.

Written head to head: Synthesia vs HeyGen, with when to choose each side.

Compared on
Synthesia

Free plan · from $18/mo

HeyGen

Free plan · from $24/mo

What it isAI video platform that turns scripts into presenter-led avatar videosAI avatar video generator with video translation and voice cloning
Free plan1,200 credits per month (up to 10 minutes of video, or 10 minutes of AI dubbing, or 25 AI-generated video assets); 1 editor; 9 AI avatars3 videos per month, up to 1 minute each; 500+ stock video avatars; 1 custom video avatar; up to 3 photo avatars; 30+ languages
Cheapest paid plan$18/mo billed annually (Starter)Synthesia pricing$24/mo billed annually (Creator)HeyGen pricing
What it coversYearly plan includes 14,500 credits per year (up to 120 minutes of video per year); 1 editor and 3 guests.$288 billed yearly; 600 credits per month; videos up to 30 minutes; 1080p export.
Free trialNone statedNone stated
PlatformsWeb, APIWeb, API
Integrations (vendor's figure)Not statedNot stated
Open sourceNoNo
Good for
  • Turning a training script into a presenter-style video without filming
  • Producing the same video in several languages
  • Updating internal how-to videos by editing text rather than reshooting
  • Making talking-head marketing or explainer videos with an AI avatar
  • Translating existing videos into other languages
  • Producing training videos for a learning system (SCORM export on Business)
Watch out for
  • Basic (free) plan: up to 10 minutes of video per month and 9 AI avatars
  • Video downloads and Synthesia logo removal start on the Starter plan
  • Yearly Starter plan is capped at 120 minutes of video per year
  • Free plan: 3 videos per month, each up to 1 minute
  • Watermark removal is listed from the Creator plan up
  • Individual plans include 1 user seat; Business adds seats at $20 per seat per month
Made bySynthesia LtdHeyGen

Entry prices are the cheapest paid plan, as each vendor publishes it; “What it covers” says what that price is per (a user, a channel, a brand, a number of contacts). The sources are listed on each tool's page.

Every tool in AI video and voice tools is on its category page, with the written head-to-heads on Compare.