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AI Generator
Synthesia
Realistic AI avatars with lip-sync
Synthesia is an AI video platform built around avatars, not diffusion-based image generation. Users pick from 240+ AI avatars and type a script — the platform generates the voiceover and lip-syncs the avatar's mouth movements automatically, in over 160 languages, without filming, an actor, or a studio.
Synthesia reports more than 1 million users and 50,000+ teams on the platform, including 90% of the Fortune 100. The core workflow is "write a script, pick an avatar, get a finished video" rather than prompt-based generation — a different shape from the diffusion image/video models elsewhere in this collection.
- Training and onboarding videos without hiring an actor or booking a studio
- Multilingual product explainers — one script, 160+ language versions with matching lip-sync
- Internal company announcements and updates
- Localizing existing video content without re-filming
- Marketing and sales enablement videos at scale
