Overview
News
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials

Funding and backers

Total raised
$5.7M
2 rounds on record
Latest round
$5.5M
Venture round · May 2024 · 2 yr ago
Team
51-200
employees, estimated range
Hiring now
16
+6 posted in 30 days
Backers
4
Juniper, Lionheart Ventures
The money's age
Long since its last round
29 months since the last round · and hiring
Momentum
15/100
hiring for its size
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 10, 2024 Raised a round Venture round $5.5M · SEC Form D Mar 11, 2024 Raised a round Convertible Note $180k · SEC Form D 2023 Founded
Tractionpublic signals, read monthly
Web presence
top 2%
of 133.2M domains by links, Common Crawl
Hacker News stories
1
best: 3 points
Funding rounds
RoundDateAmountInvestorsSource
Venture round May 2024 $5.5M — SEC Form D
Convertible Note Mar 2024 $180k — SEC Form D
Registers and programsofficial lists and records that name the company
Legal entity Gray Swan Security Inc. SEC Form D
Founders and leadersfrom filings, registers and the company's site
Matthew FredriksonExecutive Officer, DirectorSEC Form D
Jeremy KolterExecutive Officer, DirectorSEC Form D
Jiaming ZouExecutive Officer, DirectorSEC Form D
Backed byfrom the funds' portfolios and accelerator catalogs
Investors in similar startupsfunds that back the companies most like this one
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Overview

Gray Swan AI builds automated red teaming and safeguards for large language models. Its arena runs public jailbreaking competitions against frontier systems. The company was founded by adversarial robustness researchers from Carnegie Mellon.

Tech stack

Technologies named in job postings at Gray Swan AI over the last 12 months, by layer, with the share of postings for each.
Technologies in use
38
Postings analysed
18
Stack modernity
82/100AI adopter
Languages
Python50%
C++22%
Rust22%
Go17%
Frameworks & libraries
FastAPI17%
React.js17%
Svelte17%
Vue.js17%
Databases
ClickHouse11%
PostgreSQL11%
Redis11%
Cloud & platforms
AWS39%
Azure39%
GCP39%
GitHub17%
AI & ML
LLM17%
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Full Gray Swan AI tech stack 38 technologies · by team · pay by technology · changes · similar stacks

Salary insights

Compensation ranges based on this company's open jobs
Median
$220k
Typical range
$75k – $315k
Open positions
15
11 Jobs
Senior 54.5%
Staff 18.2%
Architect 27.3%
Level Jobs Median Typical range
Senior 6 $220k $185k – $315k
Staff 2 $240k $220k – $260k
Architect 3 $280k $245k – $280k
Highest paying role Senior Manager, Engineering $315k
Normalized to USD per year
All salaries at Gray Swan AI By role, level and city, against the market · 15 jobs with pay

People

Matthew Fredrikson
Executive Officer, Director
Jeremy Kolter
Executive Officer, Director
Jiaming Zou
Executive Officer, Director
Names and roles come from public filings, company registers and the company's own site. Is this you? Correct or remove · How we handle this data

Growth

Hiring Momentum
48/100
Stable
Open positions
16
3 opened / 2 closed in 30 days
Median time-to-fill
20 days
faster than 56% of the market
ATS activity
Every ~4 hours
Today
Hiring Dynamics 0%
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.
Backend
22% ▼
Sales
22% ▼
HR
11% ▲
Marketing
11% ▲
AI/ML
6% ▲
Leadership
6% ▲
Activity Timeline
Added Slack to stack Oct 2026
Added Okta to stack Oct 2026
Added Notion to stack Oct 2026
Added Google Workspace to stack Oct 2026

Offices

Where the company hires and what each office is for
Cities
1
Hiring now
1
Countries
1
Busiest office
Pittsburgh
Pittsburgh United States
HQ
10 open roles 11 posted in 90 days 40% engineering 20% remote 50-200 est. staff $226k Avg Salary
hires for Backend, HR, AI/ML
seen since Sep 2026 job postings

Jobs

$75k per year • Equity • In office • Full-Time • Pittsburgh
AI Agents
Red Teaming
Cybersecurity
Okta
Management
Notion
Apply
$180k – $290k per year • Equity • Hybrid • Full-Time • 5+ years exp • Pittsburgh
Python
Go
Java
Rust
C++
PostgreSQL
Redis
ClickHouse
Apache Kafka
AI/ML
AI Agents
LLM
Red Teaming
Machine Learning
DevOps
GCP
Azure
AWS
Kubernetes
Platform Engineering
Cybersecurity
Zero Trust
Apply
$160k – $257k per year • Equity • In office • Full-Time • Bachelor's Degree • Pittsburgh
Python
C++
Fine-tuning
Multimodal AI
AI Agents
PyTorch
Synthetic Data
Red Teaming
Machine Learning
DevOps
GCP
Azure
AWS
Apply
$230k – $280k per year • Equity • Remote (United States) • Full-Time
Python
Rust
Multimodal AI
AI Agents
LLM
Red Teaming
Machine Learning
Apply
$210k – $260k per year • Equity • Hybrid • Full-Time • Pittsburgh
Python
JavaScript
TypeScript
SQL
FastAPI
AI/ML
AI Agents
Red Teaming
Frontend
Vue.js
Svelte
React.js
SvelteKit
DevOps
GCP
Azure
CI/CD
AWS
GitHub
QA
Playwright
Jest
Apply
≈ $130k – $281k per year (Estimated) • Equity • Remote (United States) • Full-Time
Python
JavaScript
TypeScript
SQL
FastAPI
AI/ML
AI Agents
Red Teaming
Frontend
Vue.js
Svelte
React.js
SvelteKit
DevOps
GCP
Azure
CI/CD
AWS
GitHub
QA
Playwright
Jest
Apply
$180k – $220k per year • Equity • In office • Full-Time • Pittsburgh
Python
JavaScript
TypeScript
SQL
FastAPI
AI/ML
AI Agents
Red Teaming
Frontend
Vue.js
Svelte
React.js
SvelteKit
DevOps
GCP
Azure
CI/CD
AWS
GitHub
QA
Playwright
Jest
Apply
$175k – $220k per year • Equity • Remote (United States) • Full-Time • Bachelor's Degree • San Francisco • Seattle
Python
Go
Java
Rust
C++
AI Agents
Red Teaming
DevOps
GCP
Azure
AWS
Platform Engineering
Apply

Financials

Total raised
$5.7M
Latest round
Venture - Series Unknown
Funding rounds
2
Funding rounds
Round Announced Amount
Venture - Series Unknown 2024 $5.5M Details
Convertible Note 2024 $180k Details