Compose AI (YC W21)

Over 1M users cut their writing time by 40% with AI-powered writing assistant - wherever you write!

Last Funded May 2025

$70,530

raised from 38 investors

Highlights

VC-Backed

Raised $250K or more from a venture firm

Y Combinator

Raised from Y Combinator

Fast Growth

Revenue growing 2X/yr for at least prior 6 months

1
✅ Backed by top-tier investors: Y Combinator, Craft Ventures, and Sequoia
2
🥇 Recognized by Google as a Top Chrome Extension of the Year
3
❤️ Organically grew to 1M+ users with zero marketing spend
4
🧠 Founded by ex-Amazon & ex-Google tech visionaries

Featured Investors

Invested $1,200,000
Notable Investor

Craft Ventures is an early-stage and growth fund founded by David Sacks, with proven, repeated success building and scaling SaaS businesses.

craftventures.com
David Sacks, Founder, Partner

“The one who defines the category wins the category.”

Invested $100,000

Underdog Labs is a venture fund focused on very early stage opportunities. We are dedicated to helping mission driven founders navigate the early startup waters to build and launch truly transformational companies.

underdoglabs.io
Alex Chang, Co-Founder

“Compose AI stands out for its unique technical capabilities and sophisticated AI integration. We’ve been given a preview of what’s to come and it has the potential to transform the way that people do work.”

Our Founder

Founder & CEO
ex-Amazon Ai, ex-Disney, ex-BCG. Founder of Quant Collective

Compose AI

Compose AI is your personal AI assistant that is available wherever you write

We've had strong organic user growth

We're grateful for our users! We receive on average 15K hits a day on our website - and that's been organically. Future projections are not guaranteed

And we're backed by some of the top investors

Select Institutional Investors

Meet the founder


See Compose in action


We built our own model to power diverse and real-time use-cases

Business model

  • We have a freemium business model
  • So far, we've been focusing on free users - and our user base has grown significantly.
  • We launched monetization a year ago and are ready to scale it with this cash injection
  • We have a large number of business users and are ready to start expand into team accounts and enterprise ❤️‍🔥

What's Next:

USE OF FUNDS! We've strategized on the best way to take the support from you, develop the product, and build up our community even further:

  • Product Development:🛠️ We have been developing deep end-to-end workflow automation / web agents !
  • Plus The creation of Plugins, including image Generation & Scheduling
  • Improve our user interface
  • Substantially build out bottoms up Enterprise Sales 💰 with more customized features - thereby further developing our product
  • Marketing and Customer Acquisition 👥: We just launched the monetized version of the product a year ago, and are ready to scale
  • Through an affiliate program, we would love to establish an advisory committee of user and influencer affiliates who provide regular feedback on the product, and how it can be improved for our most popular use cases!
  • Enhance our community and user engagement!

Team Expansion🤓: Hire skilled professionals in engineering, design, and sales.

Operating Expenses✅: Cover essential costs like technology infrastructure and office space.


Overview