---
title: "An AI Training Data Startup Just Became Y Combinator’s Fastest-Ever Unicorn"
url: https://thecoingazette.com/an-ai-training-data-startup-just-became-y-combinators-fastest-ever-unicorn/
date: 2026-09-02
modified: 2026-09-02
lang: en
author: "Coin Gazette Editorial"
description: "Afterquery's valuation jumped more than tenfold in five months, making it Y Combinator's fastest unicorn ever."
categories:
  - "Artificial Intelligence"
word_count: 16
---

# An AI Training Data Startup Just Became Y Combinator’s Fastest-Ever Unicorn

Afterquery's valuation jumped more than tenfold in five months, making it Y Combinator's fastest unicorn ever.