Gray Swan AI A Verified
RL environment company
- On X
- @GraySwanAI ↗
- Funding
- $50M raised · rounds and investors
- Tier
- A why
- Snapshot

What Gray Swan AI does
Gray Swan AI sells AI security products: Shade automated red teaming of models and agents, Cygnal runtime guardrails that block adversarial inputs and unsafe agent outputs, and an Arena crowdsourced red-teaming network, alongside pre-release safety evaluations for frontier labs.
- Sells
- RL environments and Data
- Leads with
- Security
- Based in
- Pittsburgh, USA
- Team
- 11-50
- Website
- grayswan.ai ↗
What Gray Swan AI sells
Read from Gray Swan AI's own website, checked October 11, 2026: the line that puts it in each category.
RL environments
“As the leading pre-release evaluator of frontier model alignment, we deliver the best available active behavior assessment and enforcement for Enterprise AI.”
grayswan.ai/ ↗
Data
“Gray Swan tests against attacks discovered by 15,000+ adversarial researchers.”
grayswan.ai/ ↗
Also
“Shade runs attacks that work against your models, agents, and guardrails — in your deployment context.”
grayswan.ai/ ↗
Domains Gray Swan AI covers
Security leads with
“Red-teamers have generated over three million attack attempts that drive our methods.”
grayswan.ai/ ↗
Gray Swan AI competitors and alternatives
The companies that sell the most of the same things in the same domains, and what they share with Gray Swan AI.
- Trajectory Labs Also sells agent safety and verification, evals and human data · also in security
- ARIMLABS Also sells evals and agent safety and verification · also in security
- Incalmo also in security
- Align AI Also sells agent safety and verification, human data and evals
- Datacurve Also sells evals and human data · also in security
Tier A
Scaling: 51 to 250 people, or $20M+ raised.
How much stands behind a tier: usage, who backs it, a confirmed line from its own site or paper, and a clear read on X. High with three of the four, medium with two, low otherwise.
- team 11-50
- raised $50M
- investors: Wing Venture Capital, Madrona, Obvious Ventures
- in curated RL directories (2 pts)
On X · well regarded, low buzz, from 14 posts about Gray Swan AI in the last month
Talk centers on Gray Swan Arena's $300K prompt-injection challenge, much of it gifted promos; a lab model card credits its pre-launch red teaming and IPI benchmark.
How we got to tier A
- Adoption: team 11-50; raised $50M; investors: Wing Venture Capital, Madrona, Obvious Ventures. Tier A.
- On X: well regarded, low buzz. “Talk centers on Gray Swan Arena's $300K prompt-injection challenge, much of it gifted promos; a lab model card credits its pre-launch red teaming and IPI benchmark.” No move.
- In curated RL directories: 2 points, a floor of none.
- Confirmed: a line from its own site or paper places it.
A clear view on X moves a tier one step up or down; most entries don't move. How tiers work.
Gray Swan AI funding
- Raised
- $50Mstated total
- Latest round
- Series A2026-05 · led by Wing Venture Capital, Madrona
Backed byMadronaWing Venture CapitalHudson River TradingMagarac Venture PartnersObvious VenturesSamsung NextSnowflake Ventures
Rounds
- Series A · 2026-05 · led by Wing Venture Capital, Madrona
The round was co-led by Wing Venture Capital and Madrona, with participation from Obvious Ventures, Snowflake Ventures, Hudson River Trading, Samsung Next, and existing investor Magarac Venture Partners.
- Read: “The round was co-led by Wing Venture Capital and Madrona, with participation from Obvious Ventures, Snowflake Ventures, Hudson River Trading, Samsung Next, and existing investor Magarac Venture Partners.”
- Found word for word on its own site: grayswan.ai/news
- The quote names who led it; the amount isn't in it
- No other page or directory names it yet
- Funding round · $5M · 2025
$50MTotal capital raised since founding in 2023, following $5M in 2024 and $5M in 2025
- Read: “$50MTotal capital raised since founding in 2023, following $5M in 2024 and $5M in 2025”
- Found word for word on a page found by search: thepittsburghwire.com/news/gray-swan-ai-pittsburgh-40-million-series-a-shadyside
- The quote states the amount; no lead is named in it
- Also named by 2 other pages read
Funds 4
- Madrona led a round
today announced a $40 million Series A round co-led by Wing Venture Capital and Madrona
- Read: “today announced a $40 million Series A round co-led by Wing Venture Capital and Madrona”
- Found word for word on its own site: grayswan.ai/news/gray-swan-announces-series-a
- Also named by 2 other pages read and a curated directory
- Wing Venture Capital led a round
today announced a $40 million Series A round co-led by Wing Venture Capital and Madrona
- Read: “today announced a $40 million Series A round co-led by Wing Venture Capital and Madrona”
- Found word for word on its own site: grayswan.ai/news/gray-swan-announces-series-a
- Also named by 3 other pages read and a curated directory
- Magarac Venture Partners
Named in the round quoted above.
- Obvious Ventures
Named in the round quoted above.
Corporate investors 3
- Hudson River Trading
Named in the round quoted above.
- Samsung Next
Named in the round quoted above.
- Snowflake Ventures
Named in the round quoted above.
Every figure is quoted from its own site, its accelerator or a funding announcement; a round's amount and lead appear only when its quote states them. Startup databases are never used as evidence. Checked 2026-10-11. How funding is checked.
Training methods
Methods Gray Swan AI uses, offers or builds for, with public evidence: its own website says so, or two independent sites do.
- RLHF Reinforcement Learning from Human Feedback On its own website
“From automated testing, human experts, and crowdsourced intelligence, you need a continuous stream of adversarial findings to inform guardrail design, RLHF, and post-training safety work.”
grayswan.ai
Where Gray Swan AI sits
Its domain on the map, live. Hover a logo for its name; click to open it. Open it on the full map
Latest from Gray Swan AI on X
@GraySwanAI ↗Next: browse all environments. Entry from the RL Research daily scrape of public sources, 2026-11-05 snapshot.