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14,448 startups · 29 programs

Floot

Active · The app platform inside Claude and ChatGPT.

10signal of 100 · rising 7
  • went through YCProgram · this site+4
  • team of 4Team size · YC's directory+3.6
  • hiringHiring · Titles (titles.fru.dev), YC+2

A sum of public facts, not a judgement and not investment advice.

Competitors

Adjacent

Also from S25 in AI

All of S25

Founders

  • Yujian YaoFounder/CEO

About Floot

Floot is the layer where vibecoded software runs. SaaS is dead. Hundreds of millions of people already spend their day in Claude or ChatGPT - and increasingly, when they need an app, they won't buy one. They'll describe it, and it will exist. We're building the infrastructure that makes that real. When Claude creates an app, it needs somewhere for that app to live: a backend, a database, hosting, a domain, the ability to scale, various services, maybe even to be able to work as a mobile app. Floot is that place - a full stack purpose-built for AI to operate, from a specialized framework that defines how AI writes and runs code, down to scalable hosting on AWS. This means you can now build and ship real apps directly inside Claude and ChatGPT. Connect Floot, and the model you already pay for writes and debugs the code, shows a live preview, and publishes to your own domain. No need to wire up git, vercel, supabase and a dozen other providers. And no AI credits - every message runs on the subscription you already have, because we charge for the platform, not for a token markup. We built Floot this way because we've watched the model layer commoditize - every serious builder writes good code now, including us. The lasting value isn't another agent between you and the model. It's the layer underneath, from wherever people already are. We're building Floot to be the home for all operation software, for the decades where most new software on earth is written by AI. ✨ Try it: floot.com

YC batch
S25 · Summer 2025
Status, per YC
Active
Category
AI, Developer tools
Team size
4
Location
San Francisco, CA, USA
Founded
2025
Checked
6h ago

YC tags: SaaS, No-code, Web Development, AI

Changes seen

TagsOct 19, 2026

Newly tagged AI; no longer tagged Artificial Intelligence.

Floot in S25: 166 companies, 92% AI

LinkedIn

Floot: questions

Which YC batch was Floot in?

Floot was in Y Combinator's Summer 2025 batch (S25).

Is Floot still active?

Y Combinator lists Floot as active.

Who founded Floot?

Floot's founders, as listed on its YC page: Yujian Yao (Founder/CEO).

Where is Floot based?

Floot lists San Francisco, CA, USA as its location on YC's directory.