What is Synthesia used for?

Synthesia is used to create AI avatar-led videos from written scripts. Common use cases include employee training, onboarding, product explainers, marketing content, and internal communications.

Does Synthesia support multiple languages?

Yes, Synthesia supports 140+ languages according to the provided tool information. This makes it suitable for teams that need to localize video content for different regions or audiences.

Can I create a custom avatar in Synthesia?

Synthesia includes custom avatar creation based on a user’s likeness. This can be useful for companies that want a consistent on-screen presenter without recording new footage for every video.

Is Synthesia good for training videos?

Synthesia is well suited for training videos because it combines AI avatars, text-to-video generation, templates, and language support. These features can help teams produce repeatable learning content without a full video production setup.

What are the main alternatives to Synthesia?

Common alternatives include HeyGen, Colossyan, D-ID, Elai.io, and Hour One. These tools also offer AI avatar or presenter-led video generation for business, training, and communication use cases.

Last updated: 10/1/2026

Synthesia Review: AI Video Generation with Avatars

3.8(276)

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AI video generation platform for creating avatar-led training, marketing, and internal communication videos.

Subscription

What is Synthesia?

Synthesia is an AI video generation platform for creating professional videos with digital avatars. Users can turn written scripts into avatar-led videos for training, marketing, internal communications, and other business use cases. The platform supports 140+ languages and includes templates, localization tools, and custom avatar options.

Key Features

230+ realistic AI avatars for presenter-led videos
Text-to-video generation that turns scripts into video content
140+ language support with lip sync for localization
Video templates for training, marketing, and communications workflows
Custom avatar creation based on a user’s likeness
Dubbing and localization tools for adapting videos across markets

Best For

Employee training and onboarding videosInternal communication updatesProduct explainers and marketing videosLocalized video content for global teamsCreating presenter-led videos without filming talentTeams that need repeatable video production from scripts

Pricing

Synthesia uses a subscription pricing model. Specific plan limits, features, and costs can change, so users should review the official Synthesia pricing page before choosing a plan.

Pros & Cons

Pros

Large selection of AI avatars for different presentation styles
Supports text-to-video creation without a traditional filming setup
Broad language support makes it useful for localization workflows
Templates can help teams create common business videos more quickly
Custom avatar options may help organizations maintain a consistent presenter identity

Cons

Not ideal for projects that require complex live-action footage or highly cinematic production
Avatar-led videos may not suit every brand voice or creative direction
Subscription plan limits and available features need to be checked before purchase
Custom avatar creation may require additional setup compared with using stock avatars