Product Reports Resources Pricing Login Book a demo

Heartex

AI · San Francisco, United States · Founded 2018

Offers a data labeling and annotations tool for building accurate and smart AI products MoreLess

HumanSignal operates in the data labeling industry, providing a comprehensive platform designed to enhance the accuracy of AI models through a combination of automation and human supervision. The company serves a diverse range of clients, including businesses involved in machine learning, data science, and artificial intelligence development. HumanSignal's platform, Label Studio, offers a variety of features such as custom UI building, pre-built labeling templates, team member permission management, and workflow optimization. The platform supports multiple data types and use cases, making it versatile for different industry needs.

HumanSignal's business model revolves around offering a subscription-based service for its Label Studio platform, which includes different tiers based on the level of features and support required by the client. The company generates revenue through these subscriptions, as well as through additional services such as custom integrations and advanced support packages.

The market for data labeling is growing rapidly, driven by the increasing adoption of AI and machine learning technologies across various industries. HumanSignal positions itself as a key player in this market by providing a robust and flexible platform that can be tailored to meet the specific needs of its clients.

Keywords: data labeling, AI models, automation, human supervision, machine learning, data science, Label Studio, subscription service, workflow optimization, custom integrations.

Valuation $100–250M
Revenue $1–10M
Headcount 100–500
Total funding $10–50M
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Heartex and the history behind them.

Talent graph

Heartex's talent

Book a demo to see the people
Team profiled 6 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 3 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Investors

5 investors on Heartex's cap table

Sourced from Dealroom's funding history. Investor profile links are shown where available.

Seed 1 investor entered at this stage
Series A 4 investors entered at this stage
Bow Capital
Redpoint
Unusual Ventures
Swift Ventures

Global footprint

Where Heartex has talent and traffic

Workforce by country
23 countries with
team presence
🇺🇸 United States42.3%
🇮🇳 India7.2%
🇮🇩 Indonesia7.2%
🇵🇹 Portugal6.2%
🇳🇬 Nigeria5.2%
Top 5 of 23 shown

Market sentiment

What the market is saying about Heartex

An AI-synthesized read of the highest-engagement posts about Heartex on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

See Heartex on the full Dealroom platform

Live deal flow, founder pedigree, hiring signals, revenue trajectory, and the full cap table.