Overview
Synthesia is a hosted AI video communications platform for learning, HR, sales enablement, marketing, and internal communications teams. Its documentation describes starting from a prompt, script, document, link, PowerPoint, template, or blank canvas, then combining avatars, voices, motion graphics, generated media, quizzes, calls to action, and branching. The platform also includes video translation and dubbing, roleplay sessions, survey sessions, interactive avatars, and APIs for programmatic creation. Synthesia is a closed SaaS product; its public documentation and developer APIs do not indicate an official open-source product repository.