
Gray Swan AI
Gray Swan AI is the AI safety company building Cygnal red-teaming and Shade defenses. Founded by Carnegie Mellon researchers; partners with frontier labs.

Overview
Gray Swan AI: Frontier AI Red-Teaming & Safety Platform
Gray Swan AI is Frontier AI safety company building Cygnal (red-teaming) and Shade (jailbreak defenses). AI safety has become a procurement requirement in many enterprises and a regulatory requirement in jurisdictions including the EU. Gray Swan's bet is that academic-grade red-teaming — by the researchers who literally wrote the jailbreak papers — is uniquely defensible. The OpenAI and Anthropic partnerships validate that thesis at the frontier-lab level.
Key Features
- Frontier AI safety company building Cygnal (red-teaming) and Shade (jailbreak defenses)
- Founded in 2024 by Zico Kolter and Matt Fredrikson (Carnegie Mellon CS faculty) plus Andy Zou
- Researchers behind some of the most-cited adversarial-ML and jailbreak papers
- Approximately $5.5M+ seed; backed by Pillar VC and others
- Partners with OpenAI, Anthropic, and other frontier labs on red-teaming
- Runs public jailbreak competitions that expose frontier model weaknesses
- Used by AI deployers and regulators to evaluate safety before production rollout
Ideal Use Case
Frontier AI labs and enterprise AI deployers that need rigorous red-teaming before production — and AI regulators evaluating safety claims from model vendors. Particularly strong fit for high-stakes deployments in finance, healthcare, and defense.
Why Use Gray Swan AI
AI safety has become a procurement requirement in many enterprises and a regulatory requirement in jurisdictions including the EU. Gray Swan's bet is that academic-grade red-teaming — by the researchers who literally wrote the jailbreak papers — is uniquely defensible. The OpenAI and Anthropic partnerships validate that thesis at the frontier-lab level.
FAQ
Q: Who founded Gray Swan AI? A: Zico Kolter (CMU CS faculty), Matt Fredrikson (CMU CS faculty), and Andy Zou co-founded Gray Swan AI in 2024.
Q: What is Cygnal? A: Cygnal is Gray Swan's red-teaming platform that systematically tests AI models for jailbreaks, prompt-injection vulnerabilities, and policy violations.
Q: What is Shade? A: Shade is Gray Swan's complementary defense layer that hardens deployed models against the attack patterns Cygnal identifies.
Q: Who has invested in Gray Swan AI? A: Pillar VC led the seed round. Total funding is approximately $5.5M+ as of the most recent disclosure.
Q: Gray Swan AI vs Lakera vs Patronus? A: All three are in the AI safety category. Gray Swan's differentiation is academic rigor — the founders are CMU CS faculty who wrote the original adversarial-ML and jailbreak papers — plus partnerships with OpenAI and Anthropic.
tl;dr
Gray Swan AI is the frontier AI safety platform with Cygnal red-teaming and Shade defenses. Founded by CMU CS faculty (Zico Kolter, Matt Fredrikson) plus Andy Zou. Pillar VC-backed; ~$5.5M+ seed. Partners with OpenAI and Anthropic.
Related
Looking for more options? Browse the Security & Governance directory or read our best AI security tools listicle. Gray Swan AI is also tracked on Crunchbase.
Why Use Gray Swan AI

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