Synthesia

Synthesia is a video generation platform built around AI avatars, headquartered in London. Instead of filming a person on camera, a script becomes a video presented by a digital avatar with synthesized speech, which suits HR and L&D teams producing a lot of training or communication video without a studio, a presenter, or reshoots whenever the content changes.

The core of the product is more than 240 AI avatars paired with over 1,000 AI voices, and a script can be translated and dubbed into more than 160 languages. The platform also includes an AI script generator to draft the narration, AI dubbing to adapt existing video into other languages, and newer additions such as interactive avatars and an AI screen recorder. The vendor states that over 50,000 companies and more than a million users work with the platform, and it offers a free plan with limited monthly minutes alongside paid tiers with a free trial.

In practice, this fits producing a compliance video once and localizing it into several languages without hiring voice actors for each one, or refreshing a course video quickly when a policy changes since no presenter needs rebooking. Before adopting Synthesia, confirm exactly where video and script data are hosted, since this is not detailed beyond general SOC 2 Type II, ISO 42001, and GDPR claims, and have someone review generated scripts and avatar footage for accuracy and likeness concerns before publishing. Synthesia is marketed globally for companies of any size, though its strongest documented markets are the United Kingdom and the United States.

• More than 240 AI avatars
• AI voice generator in more than 160 languages
• AI video translation and dubbing
• AI script generator

Headquartered in London, with more than 50,000 customer companies worldwide according to the website.

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