Cardboard vs Semrush
Side-by-side comparison of AI visibility scores, market position, and capabilities
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;
About
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.
All-in-one digital marketing platform with $350M revenue; keyword research, competitive intelligence, and SEO tools for 1M+ users competing with Ahrefs for marketer mindshare.
About
Semrush is an all-in-one digital marketing platform providing SEO tools, competitive intelligence, PPC research, social media analytics, and content marketing tools for marketers, SEO professionals, and digital agencies. Listed on NYSE (NYSE: SEMR) and headquartered in Boston, Massachusetts (with major operations in St. Petersburg, Russia), Semrush generates approximately $350 million in annual revenue and serves over 1 million users with a database of 25+ billion keywords and competitive data on 800 million+ domains.\n\nSemrush's core product is its keyword research and competitive analysis engine — entering any domain shows its organic search rankings, estimated traffic, top keywords, and backlink profile, enabling marketers to understand their competitors' SEO strategies. The platform includes position tracking (monitoring keyword rankings over time), site auditing (identifying technical SEO issues), backlink analysis, and content optimization tools. The advertising research module shows competitors' PPC ad history, spending estimates, and landing pages.\n\nIn 2025, Semrush competes in the SEO and digital marketing intelligence market against Ahrefs (the other leading SEO platform), Moz, SpyFu, and Similarweb (traffic analytics). The two dominant platforms — Semrush and Ahrefs — have been engaged in continuous feature expansion as each adds tools beyond core keyword research into broader marketing analytics. Semrush has invested in AI tools for content creation and optimization. The 2025 strategy focuses on Semrush AI (AI writing and content generation tools), expanding into broader digital marketing workflow automation, and growing its enterprise segment with agency and brand team subscriptions.
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