Gptzero
gptzero.me
Actively hiring
AI Content Detection
As featured in
View 2 jobs
Follow
Overview
News
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials
Funding and backers
Total raised
$10M
1 round on record
Latest round
$10M
Series A · Jun 2024 · 2 yr ago
Team
51-200
employees, estimated range
Hiring now
4
open roles
Backers
1
Uncork Capital
The money's age
Long since its last round
27 months since the last round · hiring slowed
Momentum
15/100
in the news
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
May 30
On the Hacker News front page EY Canada published a cybersecurity report and most citations were hallucinated · 326 points
Jan 22
On the Hacker News front page GPTZero finds 100 new hallucinations in NeurIPS 2025 accepted papers · 937 points
Dec 7, 2025
On the Hacker News front page Over fifty new hallucinations in ICLR 2026 submissions · 507 points
Jun 21, 2024
Raised a round Series A $10M · led by Footwork · Pulse 2.0
Jan 28, 2023
On the Hacker News front page Detect ChatGPT Generated Content · 103 points
2023
Founded
Tractionpublic signals, read monthly
Web presence
top 0.01%
of 133.2M domains by links, Common Crawl
Hacker News stories
12
best: 937 points
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Series A | Jun 2024 | $10M | Footwork lead, Reach Capital, Uncork Capital, Neo, Alt Capital | Pulse 2.0 |
Backed byfrom the funds' portfolios and accelerator catalogs
Uncork Capital Investors in similar startupsfunds that back the companies most like this one
Similar startupsby what they do, their industry and backers
AI Detector for ChatGPT, Gemini & Claude — 99.98% Accurate. Detect AI-generated text in essays, articles & documents. Third-party verified…
Leap AI humanizes AI-generated text to read naturally and lower its score on the major detectors. Free detection, sentence-level scoring…
Detect, deter, and respond to synthetic threats with confidence. FalsiFind delivers explainable deepfake detection for regulated, high-risk…
Bolster, Inc. is a company specializing in AI-powered security solutions to protect organizations from phishing, scams, and impersonations…
Build with InsightFace: face recognition and optional RGB liveness, a self-hosted server, video face privacy with PrivateFrame, face…
Reality Defender detects synthetic audio, video and images in real time for banks, governments and media platforms. Founded in 2021 in New…
News
Pwc Gptzero Investigation: PwC reports riddled with AI-generated errors, fake citations: Probe
Pwc Gptzero Investigation: PwC is the third Big Four firm to face such scrutiny this year after EY and KPMG came under similar allegations over AI-generated errors in research reports.
Read more
Report
GPTZero Flags Suspected AI Content and False Citations in PwC Reports
GPTZero found suspected AI-generated text, fabricated citations, and unsupported claims in four PwC Middle East research reports
Read more
Report
Superhuman to Acquire GPTZero, AI Authenticity Platform
SAN FRANCISCO, June 23, 2026--Superhuman announced today that it has agreed to acquire GPTZero, a leading AI content detector with a comprehensive authenticity suite.
Read more
Report
A Princeton grad built a $30 million AI detection business. Now he's selling it to Superhuman.
Superhuman is acquiring GPTZero, the AI detection startup founded by 26-year-old Princeton grad Edward Tian.
Read more
Report
GPTZero plans to join Superhuman
GPTZero is joining Superhuman to build an authenticity layer that travels with you wherever you read, write, and create. Our mission to preserve what's human on the internet stays the same. We are excited to take that mission further with Superhuman.
Read more
Report
Chasing the Hallucinations: KPMG's AI-Powered Attempt at "Redefining Excellence"
Over the past year, a team of GPTZero investigators has used our Hallucination Checktool to uncover hallucinated citations in government reports, academic papers submitted to prestigious machine learning / artificial intelligence conferences like ICLR and
Read more
Report
EY retracts study after researchers discover AI hallucinations Financial Times May 15, 2026
EY retracts study after researchers discover AI hallucinations
Read more
Report
AI hallucinations appear to be creeping into consulting reports
AI-detection firm GPTZero says a recent report from consultancy EY looks circumspect, joining other big firms with likely hallucinations....
Read more
Report
Investigation: Hallucinations in Ernst & Young Report on Loyalty Fraud GPTZero
An investigation into fabricated citations and broken references in EY's "Points of Attack" cybersecurity report on loyalty system fraud.
Read more
Report
Why GPTZero is not reliable anymore. We Ran 100,000+ Texts to prove it.
Independent research shows GPTZero falsely flags 18% of human writing and 61% of non-native English essays as AI-generated. Yale, Berkeley, and 7+ universities have disabled it. Here's the data.
Read more
Report
Show more news
Tech stack
Technologies named in job postings at Gptzero over the last 12 months, by layer, with the share of postings for each.
Technologies in use
16
Postings analysed
8
Stack modernity
81/100AI adopter
Languages
JavaScript
Python
SQL
Frameworks & libraries
Bootstrap
PyTorch
Transformers
Databases
PostgreSQL
Cloud & platforms
AWS
Perplexity
AI & ML
LLM
Sign in to see how your skills match this stack
Sign In
Full Gptzero tech stack
16 technologies · by team · pay by technology · changes · similar stacks
Salary insights
Compensation ranges based on this company's open jobs
Median
$181k
Typical range
$126k – $250k
Open positions
4
4
Jobs
Junior
50%
Senior
50%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Junior | 2 | $163k | $126k – $200k |
| Senior | 2 | $206k | $161k – $250k |
Highest paying role
Sr. Product Manager
$250k
Normalized to USD per year
Growth
Hiring Momentum
52/100
Stable
Open positions
4
0 opened / 2 closed in 30 days
Median time-to-fill
115 days
faster than 12% of the market
ATS activity
Every ~4 hours
10/16/2026
Hiring Dynamics
+100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Industrial Engineering
40% ▼
AI/ML
20% ▼
Product
20% ▼
Design
20% ▼
Activity Timeline
Added Machine Learning to stack
Sep 2026
Added Windows to stack
Sep 2026
Added OCR to stack
Sep 2026
Added Multi-Agent Systems to stack
Sep 2026
Added Edge AI to stack
Aug 2026
Added SQL to stack
Aug 2026
Added PostgreSQL to stack
Aug 2026
Added Hallucination to stack
Aug 2026
Added Bootstrap to stack
Aug 2026
Added Transformers to stack
Aug 2026
Added PyTorch to stack
Aug 2026
Offices
Where the company hires and what each office is for
Cities
2
Hiring now
2
Countries
2
Busiest office
New York
Loading the map
Headquarters
Builds here
Office with open vacancies
Tap a pin for the office
New York
United States
HQ
2 open roles 1 posted in 90 days 10-50 est. staff $225k Avg Salary
hires for Product, Industrial Engineering
Toronto
Canada
Engineering / R&D
2 open roles 4 posted in 90 days 50-200 est. staff $144k Avg Salary
hires for Product, Industrial Engineering
Jobs
$88k – $163k per year • Hybrid • Full-Time • 5+ years exp • PhD • Toronto
Perplexity
DevOps
AWS
Apply
$170k – $250k per year • Hybrid • Full-Time • 5+ years exp • PhD • New York
Perplexity
DevOps
AWS
Apply
Financials
Total raised
$10M
Latest round
Series A
Funding rounds
1
Funding rounds
| Round | Announced | Amount | |
|---|---|---|---|
| Series A | 2024 | $10M | Details |