TL;DR: Cardboard is a Y Combinator Winter 2026 startup Agentic video editor, currently active with a team of 4.
Agentic video editor
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Cardboard is an agentic video editor for growth/marketing teams and serious creators who need to ship videos consistently. Instead of agencies, long timelines, and infinite review cycles, teams give cardboard a footage + a goal (“3 variants”, “30s hook”, “testimonials”) to get a strong first cut in minutes on which they can iterate quickly. Multimodal LLMs can finally reason over footage, and WebGPU/WebCodecs make a real NLE possible in the browser. For the first time, an “AI director” inside a professional editor can be a reality. We have to build two hard things at once: a high-performance editor in the browser and an agentic editor that is reliable for production use cases. Most startups do one; incumbents can’t rebuild their stack without breaking everything. Saksham and Ishan met in…
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Yes. Cardboard was funded by Y Combinator in the Winter 2026 batch. Agentic video editor
Cardboard is an agentic video editor for growth/marketing teams and serious creators who need to ship videos consistently. Instead of agencies, long timelines, and infinite review cycles, teams give cardboard a footage + a goal (“3 variants”, “30s hook”, “testimonials”) to get a strong first cut in minutes on which th…
Cardboard was part of Y Combinator's Winter 2026 batch.
Cardboard has a team of 4 people according to Y Combinator's directory.
Cardboard is currently listed as Active with a team of 4 in Y Combinator's directory.
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