Synthesia is the enterprise standard for AI avatar videos, used by 50% of Fortune 500 companies. Express-2 engine delivers photorealistic avatars with natural gestures, emotions, and perfect lip-sync. AI Dubbing translates videos into 30+ languages while maintaining voice. Generative Assets integrate Veo 3 and Sora 2 for cinematic B-roll. Interactive features like quizzes, polls, and hotspots enhance learning videos. AI Video Assistant converts PDFs and PowerPoints into engaging presentations. Synthesia 3.0 introduces Copilot (AI script editor), Video Agents (real-time conversational avatars), and Courses for interactive learning. Free tier offers 3 minutes/month. Starter ($18/mo annual) provides 10 minutes. Creator ($64/mo annual) adds 30 minutes and 180+ avatars.