# Cardboard **Source:** https://geo.sig.ai/brands/cardboard **Vertical:** marketing tech **Subcategory:** AI video editing **Tier:** Emerging **Website:** cardboard.so **Last Updated:** 2026-04-14 ## Summary 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; reduces manual video editing to autonomous AI-directed sequencing and pacing. ## Company Overview 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.\n\nCardboard'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.\n\nAs 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. ## Frequently Asked Questions ### What is Cardboard? Cardboard is an AI video editor that takes footage plus a goal (like '3 variants' or '30s hook') and generates a strong first cut in minutes, letting teams iterate quickly. ### How does Cardboard work? Cardboard uses multimodal LLMs to reason over footage, understanding speech, visuals, and narrative to assemble coherent video edits, running entirely in the browser via WebGPU. ### Who uses Cardboard? Growth and marketing teams at companies like PostHog, Hyperspell, and Autumn AI use Cardboard for rapid video production without agencies or long review cycles. ### What is Cardboard and what does it do for marketing teams? Cardboard is a YC W26 AI-native video editing company that eliminates the manual work of editing video content for growth and marketing teams. Its multimodal LLM understands raw video footage in the context of a team's goals and autonomously generates a polished first cut—compressing hours of editing work into minutes. The platform runs entirely in the browser with no download required. ### How does Cardboard's AI video editing work? Cardboard uses multimodal large language models that can analyze video frames, transcribe audio, and understand the semantic content of footage in relation to a team's stated marketing objectives. The AI then makes editing decisions—selecting the best takes, sequencing clips, adding captions, and matching pacing—that a human editor would otherwise perform manually over hours. ### Who are Cardboard's target customers? Cardboard targets growth and marketing teams at SaaS companies, DTC brands, and agencies that regularly need polished short-form video content for social media, ads, and product marketing. The ideal customer is a team producing multiple videos per week who currently spends significant editor time on repetitive cuts that don't require creative direction, just technical execution. ### How does Cardboard compete with CapCut, Descript, and Adobe Premiere? CapCut and Adobe Premiere are manual editors requiring user decisions at every step. Descript uses audio transcription as the editing interface. Cardboard's differentiation is full autonomy—it generates a first cut without user intervention, then allows refinement. This autonomous-first approach targets teams who want to eliminate the editing bottleneck entirely rather than make editing faster. ### What is Cardboard's pricing model? As a YC W26 company, Cardboard is in early commercial stages with pricing available through early access and direct sales conversations. The pricing model is expected to be subscription-based, likely with tiers based on video volume or output minutes per month, similar to other AI video production tools. ### What is Cardboard? Cardboard is a marketing technology platform providing tools for digital advertising creative production and management, helping marketing teams produce, test, and optimize ad creatives at scale across digital channels. ### What marketing channels does Cardboard support? Cardboard supports digital advertising creative workflows across social media (Meta, TikTok, LinkedIn), display, and video channels, providing a centralized platform for managing creative assets and campaign-level performance data. ### Who uses Cardboard? Cardboard serves performance marketing teams, creative agencies, and in-house marketing departments that run high-volume digital advertising campaigns and need better tooling for creative production and iteration workflows. ### How does Cardboard handle creative testing? Cardboard supports A/B and multivariate creative testing workflows, enabling teams to systematically test ad variations and attribute performance differences to specific creative elements rather than relying on manual analysis of platform dashboards. ### How much has Cardboard raised? Cardboard is an early-stage marketing technology startup with seed funding, competing in the creative management platform market against tools like Celtra, Smartly, and Hunch as brands seek to industrialize their digital advertising creative production. ### What does Cardboard do in marketing technology? Cardboard is a creative and campaign management platform that helps marketing teams streamline the production, review, and distribution of marketing assets across channels. The platform addresses the operational complexity of managing large volumes of creative assets, stakeholder approvals, and multi-channel publishing workflows in modern marketing organizations. ### How does Cardboard help reduce time-to-market for marketing campaigns? Cardboard centralizes the campaign workflow—from creative briefing through asset production, stakeholder review, legal/compliance approval, and final delivery to channels—in a single platform with structured workflows and automated notifications. This eliminates the email chains and spreadsheet-based tracking that slow down campaign execution in marketing teams managing many simultaneous projects. ### What types of marketing teams use Cardboard? Cardboard primarily serves mid-size to enterprise marketing teams in retail, CPG, financial services, and other industries where high asset volume, regulatory review requirements, and multi-channel publishing create operational complexity. Brand management teams and campaign operations managers are the primary users of the platform. ### How does Cardboard handle creative review and approval workflows? Cardboard provides structured review workflows with role-based permissions, comment annotation on creative assets, version control, approval routing (routing to the right reviewers in sequence or parallel), and an audit trail of all review and approval decisions. This replaces ad hoc email review loops with systematic governance that reduces approval cycle time and compliance risk. ### How does Cardboard compete with Wrike, Monday.com, or Bynder for marketing teams? Monday.com and Wrike are general project management platforms. Bynder is a Digital Asset Management (DAM) system focused on asset storage and distribution. Cardboard sits between project management and DAM, specifically designed for creative production workflows including briefing, production, review, and delivery—a more specialized positioning than general PM tools offer for creative teams. ## Tags martech, saas, marketing, b2b --- *Data from geo.sig.ai Brand Intelligence Database. Updated 2026-04-14.*