In September, Synthesia invited me to its new office space in New York.
Synthesia lets enterprises build interactive training videos with AI avatars and recently launched a product called Roleplay Sessions that lets workers practice, for example, sales pitches with an interactive AI avatar that responds and scores their responses.
My avatar’s tech stack includes Synthesia’s own video and voice models, although the company also allows customers to choose alternatives from other labs like Cartesia, ElevenLabs, Google, or OpenAI.
The voice-to-text model turns what people say into text, the agentic language model makes sense of text and can take actions based on it, the text-to-voice model turns a response into audio, and a video model animates the avatar as it talks.
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Synthesia lets enterprises build interactive training videos with AI avatars and recently launched a product called Roleplay Sessions that lets workers practice, for example.
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The article, shortened and in plain language
When Alexandru Voica, head of corporate affairs at the video-generation startup Synthesia, sent me a link this summer to the newest addition to their PR team, I was surprised.
In September, Synthesia invited me to its new office space in New York. Originally based in the U.K. Synthesia is a hot digital avatar startup alongside others like D-ID, HeyGen, and Colossyan.
Synthesia lets enterprises build interactive training videos with AI avatars and recently launched a product called Roleplay Sessions that lets workers practice, for example, sales pitches with an interactive AI avatar that responds and scores their responses.
Below, press “start in a new window” to begin.
My avatar’s tech stack includes Synthesia’s own video and voice models, although the company also allows customers to choose alternatives from other labs like Cartesia, ElevenLabs, Google, or OpenAI. Enterprises can also choose to host their avatars on whatever cloud they want or pay Synthesia to host them.
The voice-to-text model turns what people say into text, the agentic language model makes sense of text and can take actions based on it, the text-to-voice model turns a response into audio, and a video model animates the avatar as it talks.
Overall, Synthesia builds three types of products — a video-creation and distribution platform with classic avatars, where someone types in a script and the avatar repeats it; an agentic platform called Sessions where people can interact with the avatars in surveys or roleplay; and an API platform where people can take Synthesia video and voice models and combine them with other tech services to build interactive avatars or other types of products.
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