Syren An AI video agent from Synthesia that generates fully produced, on-brand videos from a single prompt or uploaded document. It learns brand identity including colors, typography, motion, and pacing from existing videos, then builds the video with avatars, voiceover, music, and motion graphics. Users refine the result through chat. Videos can be up to 3 minutes in landscape or portrait, rendered in-browser with Synthesia’s own engine.
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View on XCosigns Received
“an afternoon of feeding Syren my tutorial back catalog and it's cutting on the same rhythm i do. i didn't mention rhythm once”
“Didn't think there'd be so little re-explaining. one prompt, then edits just by chatting, and it was like an editor who already knew the brand the whole way through.”




