Amazon’s Prime Video has been tooling around with AI-powered dubbing since March 2025. Now, it’s ready to take the AI tech to a new level, focusing not on the actual words being said, but on the mouths themselves. Say you’re watching a German-language series dubbed in English — the actors’ mouths will match the English audio.
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“The technology synchronizes actors’ lip movements with human-dubbed audio, creating a seamless viewing experience that allows audiences to remain fully immersed in the story. AI and VFX technologies power the process behind the scenes, responsibly applied to deliver a better customer experience,” Amazon wrote.
That last bit is debatable. We’ve personally never had any issues following along with the subtitles of a foreign-language film or series, but to each their own, we guess. It’s certainly more accessible. With this change, users could, in theory, never even realise that the content they’re devouring wasn’t filmed in their home language.
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The feature isn’t available on all series just yet. Amazon’s trying it out first with the German series Maxton Hall, the streamer’s most-watched international series ever. Users will also have to seek out the ‘(with Lip Sync for English Dub)’ version on the platform. The AI-powered mouths also only translate to English for now.
We logged back into Prime Video to test out the new feature. We should note that the original non-dubbed version of the series is also available to viewers. But the lip-sync version is surprisingly accurate, though anyone paying attention to the series will definitely notice some uncanny-valley nonsense going on around the mouths.
