Synthesia is the leading enterprise AI video platform for creating professional training, onboarding, and internal communications videos using AI avatars rather than filming real actors. As of mid-2026, the platform offers 230+ diverse stock avatars, 140+ languages and voices, and the ability to create custom avatars from studio footage. The core use case is replacing expensive video production for corporate L&D, compliance training, sales enablement, and customer support — content that traditionally required studios, cameras, actors, and weeks of post-production. Synthesia's avatars are built on proprietary neural rendering technology that produces natural lip-sync and facial expressions, though reviewers note they still fall short of photorealism in close-up shots. Pricing as of mid-2026 is structured around three tiers: Starter ($22/month billed annually, or $29 monthly, 10 minutes of video/month, 70+ avatars), Creator ($67/month annually, or $89 monthly, 30 minutes/month, 140+ languages, custom fonts, audio downloads), and Enterprise (custom pricing, unlimited video, 230+ avatars, API access, SSO, SCIM, advanced analytics, dedicated support). The Enterprise tier is where most large organizations land, with contracts typically running $10,000–$50,000+ annually depending on seat count and video volume. The platform also offers an AI Video Assistant that turns documents, PDFs, or URLs into structured video scripts and scenes automatically. User feedback is strongest among L&D teams and HR departments who praise the dramatic cost and time savings — producing a 5-minute training video in under an hour versus weeks of traditional production. Compliance and localization teams value the ability to update a single word in a video and regenerate it instantly across all 140+ languages without refilming. The primary limitations are avatar expressiveness — while good for corporate content, the avatars lack the emotional range and subtlety of real actors, making them unsuitable for high-stakes marketing or entertainment content. The pricing jump from Creator ($67/month) to Enterprise (custom, typically $10K+) leaves mid-sized teams in a difficult position, and the 10-minute monthly cap on Starter makes it impractical for any real production work.