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Synthesia

AI avatar video generator built for training and corporate content

Synthesia is the fastest way to turn a script into a polished presenter video, ideal for training and onboarding content.

Overall score
8.5
out of 10
Price
$29/mo (Starter)
Free plan
Yes
API access
Yes
Languages
140+ languages
Limits
Free plan: 3 minutes of video/mo; paid plans: monthly minute allowances by tier.
Capabilities84%

Synthesia is purpose-built for talking-head corporate and training video — turning a script into a polished presenter video in minutes.

Quality of Output86%

Avatars and voice quality are impressively natural for straightforward narration, though close-up scrutiny still reveals some synthetic tells.

Ease of Use90%

The script-to-video workflow is about as simple as this category gets — paste a script, pick an avatar, and generate.

Pros
Realistic AI avatars with natural-sounding voice
No filming, actors, or studio needed
140+ languages with automatic dubbing
Fast turnaround for training/onboarding videos
Cons
Avatars still read as slightly synthetic in close-up
Less suited to creative/cinematic content than Runway
Per-minute pricing adds up for longer libraries
What’s included
200+ AI avatars
140+ language voiceovers & auto-dubbing
Script-to-video generation
Custom avatar creation (paid tiers)
Templates for training/onboarding
API access
Pricing

Starter is $29/mo for a set number of minutes; a free plan with 3 minutes/mo is enough to evaluate quality first.

Limitations

It's optimized for narration-style content rather than creative storytelling, and cost scales with total video minutes produced.

How to start using Synthesia
  1. 1
    Create an account

    Sign up at synthesia.io — the free plan includes 3 minutes of video per month.

  2. 2
    Write or paste a script

    Enter the script you want narrated, or generate one with the built-in AI script assistant.

  3. 3
    Choose an avatar and voice

    Pick from 200+ stock avatars and voices, or create a custom avatar on paid tiers.

  4. 4
    Select a template

    Use a template suited to training, onboarding, or marketing content to speed up layout.

  5. 5
    Generate and export

    Render the video, then download or share it directly — translation to other languages is one click away.

Frequently asked questions
A free plan includes 3 minutes of video per month; paid plans start at $29/mo for more.