Synthesia Review

AI Avatar Video from a Text Script

Synthesia generates videos featuring AI avatars that read from a text script, supporting multiple languages and a library of pre-built presenters. It’s positioned as a way to produce presenter-led video content — training materials, product explainers, internal communications — without filming.

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What Is Synthesia?

Synthesia takes a written script and produces a video of an AI avatar delivering that script on camera, with synchronized lip movement and natural-sounding speech. Users can choose from a library of stock avatars or, on higher plans, create a custom avatar based on a real person.

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Key Features

• Text-to-video generation using AI avatars with synced speech and lip movement
• Multi-language support, allowing the same script to be produced in multiple languages without re-recording
• Template library for common video formats like training content, onboarding, and explainer videos
• Custom avatar creation on higher-tier plans, built from real footage of a person
• Screen recording and media integration for combining avatar segments with other visual content

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Pricing & Plans

Synthesia’s plans scale based on video minutes produced per month and whether custom avatars are included. The Starter and Creator plans cover standard avatar libraries and language options, while higher tiers add custom avatars and additional collaboration features.

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Who Synthesia Is Best For

Synthesia is best suited for businesses that regularly produce instructional or explainer content — training videos, product walkthroughs, internal updates — where a presenter-led format adds clarity but on-camera filming isn’t practical or scalable, particularly across multiple languages.

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Where It Falls Short

The avatar format is well suited to instructional content but is less effective for content where audience connection to a real, recognizable presenter matters, such as brand-building or personality-driven content. Custom avatar creation is also limited to higher-tier plans.

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Final Verdict

Synthesia is a practical tool for producing consistent, multi-language instructional video without a production team. For businesses deciding between avatar styles, customization depth, and pricing structure, see our full comparison of Synthesia vs. HeyGen for a direct breakdown.