Cardboard logo

Cardboard

Emerging

YC W26 agentic video editor for growth teams generating first cuts from footage and goals in minutes using multimodal LLMs; browser-based via WebGPU eliminating software installation;

Best for: AI video editingEmerging, rapid growth
44
AI Score
Grade C↑ Trending
AI Visibility Score (Beta)
Marketing TechnologyAI video editingWebsiteUpdated April 2026

Brand Intelligence Graph

Capabilities
AI video editing

Company Overview

About Cardboard

Cardboard is an AI-native video editing company that graduated from Y Combinator's Winter 2026 batch. The company was founded to eliminate the manual, time-intensive process of editing video content for growth and marketing teams. Its core technology applies multimodal large language models to understand raw video footage in the context of a team's goals, then autonomously generates a polished first cut — compressing what previously took hours into minutes.

Business Model & Competitive Advantage

Cardboard's platform runs entirely in the browser using WebGPU, removing the need for desktop software installation and enabling collaboration across teams without version conflicts. The agentic editor accepts footage alongside a creative brief or campaign goal, then makes sequencing, pacing, and cut decisions in line with that intent. This goal-aware editing approach is designed for performance marketing teams, social media managers, and growth hackers who produce high volumes of short-form content across platforms like TikTok, Instagram, and YouTube Shorts.

Competitive Landscape 2025–2026

As a YC W26 company, Cardboard is in early-stage growth and is focused on building its customer base among digital marketing teams and agencies. The product addresses a significant bottleneck in content pipelines where video editing talent and turnaround time limit the volume and velocity of campaigns. By democratizing professional-quality editing through agentic AI, Cardboard positions itself to become essential infrastructure for high-output growth teams that treat video as a core performance channel.

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Key Differentiators

Emerging Innovator

Cardboard is an emerging player bringing innovative solutions to the marketing tech market.

Frequently Asked Questions

Estimated Visibility Trend (Beta)

Simulated 8-week rolling score

44
↑ Trending

Based on estimated brand signals. Historical tracking coming soon.

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