The Founder Tape.

The shelf Directory Notes Log in

On the tape

▶

Vellum · The Founder Tape · The Founder Tape

The Founder Tape.

The shelf Directory Notes Log in

On the tape

YC Winter 2023Seed$500KAug 20261K views

Vellum

vellum.ai ↗YC profile ↗

Browse the directory →

Company intel

About Vellum

What they build

Verified launch on tape. Visit the company website or YC profile for product details.

Field & market

Sector

B2B
Engineering, Product and Design
B2B -> Engineering, Product and Design

Tags

Launch video

Funding

Seed$500K
Led by Y Combinator

Founders

Founder details are being added. Check the YC profile or company website for the team.

Quick links

vellum.ai
YC profile
Launch video (YouTube)

At a glance

YC batch: Winter 2023
Industry: B2B
Focus: B2B -> Engineering, Product and Design
HQ: New York City, NY, USA
Team size: 23
Status: Active

Investors

Y Combinator

Explore more launches

Browse the directory →

More on the shelf

Related launches

Play
№ 01 · Archal
Archal: API sandboxes, built for AI agents
Play
№ 02 · CoArena
Coarena - The biggest crowdsourced benchmark for Computer-Use
Play
№ 03 · Studio
Studio: The simulation engine for market behavior

The Founder Tape.

A curated library for studying founder launch videos: the cut that made a company feel inevitable.

Watch

The shelf
Directory

Notes

Notes from the tape
Open-source launch videos
Security founder launch videos
B2B SaaS launch videos
Robotics and climate launch videos
Fintech founder launch videos

Study

How to make a launch video
Pre-seed launch videos
AI startup launch videos
DevTools launch videos

Featured on:

Featured onBowora

Est. 2026 · Study the cut