Remix

Social media content auto-generated with your existing data

Y CombinatorWinter 2026ActiveConsumer

What they do

Problem

Creating consistent, high-quality social media content is time-consuming and difficult for individuals and teams to do at scale.

Solution

Remix is an AI-powered app that connects to your existing accounts and media to automatically generate posts (text, carousels, and short-form video) in your personal style using parallel AI agents.

Who it's for

Content creators, professionals, and social media marketers who want to produce more posts faster across platforms.

Founders

Sam Kaplan

Founder

Harvard CS graduate. Early employee at Brex where he helped scale the company from $1B to $12B valuation. Building with LLMs since the GPT-3 beta, years before ChatGPT launched. Has been shipping apps since middle school.

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