# Yarn (YC W24)

> Yarn is an AI-native platform that lets go-to-market teams make agency-quality product, sales, and marketing videos in minutes instead of weeks. Founded during Y Combinator's Winter 2024 batch by Jasper Story and Nicole Atack, Yarn treats video like a document: you write a script, and its stack of AI tools handles voiceovers, screen recordings, part-synthetic talking heads, brand-styled overlays, and generative footage. The pitch is speed and cost - videos that would take an agency weeks and thousands of dollars, produced in-house in under 20 minutes.

- **Founded:** 2024
- **Headquarters:** San Francisco, California, United States
- **Founders:** Jasper Story (CEO, Cofounder - former Google ads producer/designer, early-stage startup PM, former high school math teacher), Nicole Atack (CTO, Cofounder - former quant and particle physicist)
- **Team size:** ~12 employees (YC listing has cited 4-6 during early stage)
- **Products:** Doc-style video editor, AI voiceovers, Part-synthetic talking head, Remote recording links, Product demos with auto-timing
- **Notable:** Accepted into Y Combinator's Winter 2024 batch., Raised seed funding from YC, General Catalyst, Leonis Capital, and angels from Pika Labs, Roblox, and Adobe., Cited 90.1% viewer retention on AI-personalized video content.

## Products & services

- **Doc-style video editor** — Create and edit videos like writing a document - script-driven, with instant tweaks, reuse, and personalization.
- **AI voiceovers** — Generate voiceovers from a library of voices or clone/match your own voice for consistent narration.
- **Part-synthetic talking head** — Reusable talking-head clips where new sentences can be generated from an existing recording while keeping viewer trust.
- **Remote recording links** — Capture 4K video from teammates and customers natively through shareable links.
- **Product demos with auto-timing** — AI-edited demos that auto-adjust to fit the script, with scripts reusable across formats.
- **Designer-grade screen recording** — Up to 5K recording with brand control - motion blur, cursor effects, and zoom transitions.
- **Generative overlays** — On-brand overlays generated in seconds or imported from Figma and Google Slides.
- **Generative video model orchestration** — Image-to-video and generation via integrated models including Sora, Veo, Kling, and Nano.
- **Personalized Content API** — Programmatically generate personalized videos at scale, cited at 90.1% viewer retention.

## Achievements

- Accepted into Y Combinator's Winter 2024 batch.
- Raised seed funding from YC, General Catalyst, Leonis Capital, and angels from Pika Labs, Roblox, and Adobe.
- Cited 90.1% viewer retention on AI-personalized video content.
- Adopted by YC peers including Clay, DriverAI, Replo, and Forge.
- Repositioned from a general AI video maker to 'the all-in-one for GTM video.'

## Latest updates

- **2026-01** — Website repositioned around 'The all-in-one for GTM video' with part-synthetic talking heads, remote recording links, and a Personalized Content API.
- **2025-12** — Added generative video model orchestration (Sora, Veo, Kling, Nano) and 5K designer-grade screen recording.
- **2024-03** — Launched on Y Combinator during the Winter 2024 batch and closed seed funding.

## Links

- Website: https://yarn.so
- LinkedIn: https://www.linkedin.com/company/yarn-so
- Twitter/X: https://x.com/yarn_so

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Profile page: https://yespress.io/yarn-yc-w24
Published by YesPress — https://yespress.io
Last updated: 2026-07-30