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diffusionstudio

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Diffusion Studio is a San Francisco-based startup in Y Combinator's Fall 2024 batch, founded in 2023, that builds open-source, browser-based video-editing infrastructure designed to be driven by both human creators and AI agents. Its tools run in-browser using WebCodecs to automate editing tasks such as removing filler words and silences, aiming to make professional video production accessible without traditional editing software or outsourced freelancers. As of late 2025 the company operated with a two-person team and had raised roughly $500K in pre-seed funding from Y Combinator.